ROAD BIKE GUIDE Fuel your need for speed.
You Couldn't Pick a Better Time to Shop for a New Road Bike.Today, manufacturers offer more models than ever in a wider variety of price points. And component companies make an incredible array of top-notch wheels, brakes, and shifting systems that operate like never before. For example, it's possible to get 20-speed drivetrains that shift in a split second, and wheelsets so light that pedaling is effortless. In fact, there are so many attractive choices today that if you just walked into our store, you might be overwhelmed.
Don't be. Having a lot of choices is a wonderful thing because it drastically increases the likelihood that you'll find the perfect bike — as long as you know a little about what's available.
To help, we've put together this comprehensive guide for finding the ideal road rig. We explain the decisions you need to make and offer advice on everything from frame materials and wheels to gearing and component choices. To start, though, you need to do some self analysis (therapist not required).
Answer These QuestionsBefore visiting our showroom, define yourself as a cyclist. Consider how you'll use the new bike once you get it, as well as where you'll pedal once you've had the machine for awhile. To find the perfect road bike, are you:
Analyze YourselfConsider how many miles you might log per week, or year. Think about your tendencies in purchasing other things. For example, do you demand the highest quality, or are you more apt to look for reasonable quality and lower cost? Do you dig high-tech gadgets or are you satisfied with simpler designs? Additionally, it helps to know about how much you want to spend because that's a quick way to focus the selection process and narrow down model choices.
Answering these questions will ensure that you get the best bicycle. We'll be able to show you models with the right features for your needs, interests, and budget, and you'll soon be sailing down the pavement with a big grin on your face. There are lots of fascinating variables in choosing a modern road bike. The rest of this article explains these choices so you'll have an easier time selecting your dream machine.
Frame And Fork MaterialsAlthough there have been interesting designs over the years, such as bamboo (still available!) and plastic frames, current road bikes are made of one (or a blend) of these four materials: steel, aluminum, titanium, and carbon fiber (carbon). We get into the differences below.
But first, realize that fine bicycles are built of all these materials. Also, two frames can be constructed of the same material yet have entirely different ride qualities due to differences in geometry, assembly, tube shapes, and material manipulation (reinforcing a tube, for example). It's very important to test ride and to feel the bikes you're considering purchasing.
A tip for inspecting frames: Look for a tubing decal on the seat tube or down tube. Sometimes manufacturers provide these and they usually help explain what brand and type of material is used in the frame. We're happy to elaborate if you have questions. Just ask!
SteelThe most traditional frame material, steel, has been used by framebuilders for well over a century. Many types of steel tubing are available, and the material is easy to bend and shape. There are myriad methods of assembly, making steel very adaptable to cyclists' needs. It also offers excellent ride quality, durability, is easily repaired, and affordable. If there's a knock on steel, it's that it tends to be heavy when low-quality tubing is used (found on bikes sold at department stores). While there are new steels almost impervious to corrosion, most types can rust if treated carelessly (protect that paint job!).
Entry-level steel-frame bikes are usually less sophisticated than those favored by discerning cyclists and steel fanatics. But, the affordability of the lesser steel frames usually allows you to get a better level of components. It's possible to make a fine-riding steel frame on a budget by cutting back on some of the frills that add cost. For example, such a frame might feature less-costly TIG welding and straight-gauge tubes compared to the fancier lug construction and butted tubes (varying tube wall thicknesses) on the higher-end model.
High-quality steel frames integrate great design, superior assembly, and better alloys in the tubing. A popular quality steel for bicycle frames is American SAE 4130 steel, better known as "chrome molybdenum," and referred to as "chromoly" or "chrome-moly." There are plenty of other impressive alloys offered by tubing suppliers such as Columbus, Tange, and True Temper. Frames built of these materials are famous for their combination of responsiveness, comfort, and value.
Steel is an excellent fork material. It can be formed into any shape; even aero ones. It's plenty strong. It also absorbs shock to soften rough roads. Steel forks are heavier than those built of lighter materials such as aluminum and carbon.
AluminumAluminum was first used in frame construction in 1895 but it didn't come into wide use until the 1980s when large-diameter tubing was conceived and construction processes were perfected. Now, it's the most popular frame material. It's subject to the same variances in assembly and quality as steel. Like steel, as you spend more, you get higher quality tubing and better construction.
You may hear that aluminum has a more jarring ride than other frame materials. While this used to be the case in its early years, it's not a problem today thanks to new aluminum alloys, tubing enhancements, and improved construction techniques like hydroforming (shaping tubes with high-pressure water). These improvements allow the frames to absorb shock better than ever while still offering the lively ride that makes aluminum so popular.
This magic ride is attributed to aluminum being one of the lightest frame materials. It makes an aluminum frame a great choice for racing and for time trialing. Unlike most steels, aluminum won't rust - another advantage.
There are various types of aluminum tubing in use by manufacturers. Some common types are 6061 and 7005, numbers that refer to the alloys in the aluminum such as magnesium, silicon, and zinc (pure aluminum isn't strong enough for bike use). There are also some super-light tubesets, such as scandium.
Aluminum forks are generally stiff and light, and can be shaped aerodynamically. They also offer good vibration damping to smooth your ride.
TitaniumTitanium (also called "ti") is one of the longest lasting, lightest, and most expensive frame materials. Some cyclists and experts feel that it combines the best characteristics of all the other frame materials. It rivals aluminum in weight, is as comfortable as steel, and it has a sprightly ride and electric handling that many riders swear by. The frames feel "alive," as if each pedal stroke gets a boost from an inherent springiness in the frame.
Titanium is hard on metalworking tools, requires an expensive titanium welding rod, and must be joined carefully in a controlled environment. Consequently, titanium frames are expensive to produce, which helps explains their higher typical purchase price over aluminum and steel.
The two common types of titanium are 3Al/2.5V and 6Al/4V. These designations refer to the amount of aluminum (Al) and vanadium (V) alloys used in the titanium. 6Al/4V is more expensive, lighter, harder to machine, and stronger. But both titanium alloys are excellent; they may even be combined in a frame.
Titanium forks are rare and very expensive due to the additional costs in material and construction. Also, because extra strength is needed in the fork steerer (the upper tube), ti forks usually outweigh other high-tech tillers. These two considerations are why most ti frames come with carbon forks.
Carbon FiberCarbon fiber (also called "carbon," "composite" and "graphite") is unique because it's not a metal. It starts out as a fabric (or sometimes just a thread that's woven into fabric) that's impregnated with a glue called resin. The resulting material can be turned into tubes or shaped in molds and is usually cured with pressure and heat, turning the material into a solid structure. Frames made of carbon are extremely light, stiff, and durable.
Carbon's greatest advantage is that it can be manipulated in essentially endless ways (because builders can orient and manipulate the fabric strands however they want), which means carbon bicycle frames can be fine-tuned to provide just about any ride qualities desired. So it's possible to achieve supreme lightness with outstanding rigidity (for maximum pedaling efficiency) and top-notch compliance for comfort, too. What's more, carbon is impervious to corrosion and can be built into beautiful shapes producing Ferrari-like looks.
Like titanium, because construction is somewhat complicated, and because carbon fabric and resins are in high demand by other industries, carbon frames can be on the top end of the cost spectrum. To describe these frames, manufacturers use terms such as "high modulus" and "void free," which tells you that it's high-quality carbon material with stellar construction. Sometimes, these designations appear on frame "tubing" decals.
Carbon is a popular material for forks due to its lightness and natural ability to absorb shocks. Carbon forks are built for optimum handling, too. As you spend more money, you get full-carbon forks. There are also carbon forks that use steel or aluminum for the steerer (the fork tube that's inside the frame). And, there are tapered carbon forks that are wider at the base of the steerer for enhanced handling.
Wheels And TiresGone are the day of buying a new road bike ad getting run-of-the-mill wheels. Today, many road bikes feature wheels that are marvels of engineering. They're prettier, more aerodynamic, durable, and light - and oftentimes ultra lightweight. Why is this important, you ask?
Because when you cut wheel weight, you drastically improve a bike's climbing ability, acceleration, and handling. This happens because wheels are rotating weight. And this type of heft is felt by the rider more than any other moving part of the bike. In fact, a few-hundred grams reduction at the wheels feels more like a few pounds reduction. On the road, it's an amazing feeling, like suddenly dropping 10 pounds of body weight.
Box Versus Aero-Section RimsOne difference in these new wheels is rim type. There are two basic designs, named after their cross sections: conventional box-section rims (square or rectangle shaped) and aero-section rims (triangle shaped).
Box-section rims are light, accelerate quickly, and provide the most comfort. Aero-shaped rims are stronger, have less wind drag, and are stiffer (less comfortable). It's important to consider wheel feel when you're test-riding bikes. You might prefer one type to another.
When choosing a rim or wheel type, it's also important to consider where and how you ride, as well as how much you weigh. For example, a 140-pound rider who spins leisurely mostly on rough pavement, will probably prefer a box-section rim for its comfort qualities. But, a competitive 200 pounder on smooth roads will much prefer the stiffness and speed of aero-section hoops.
There are many wheelsets on the market designed for general and specific types of riding. Most use minimal spoke counts (traditional wheels have 32 spokes), which aids in cutting wind drag and wheel weight. Superlight wheels are excellent for climbing. Aero wheels are usually a little heavier and intended to cheat the wind for an advantage during long rides and time trials.
Tire TalkBike companies use a variety of different tires on their road models. Most modern-day tires will last for 1,000 to 2,000 miles, depending on your weight, riding style, and whether the tire is located on the front or back. So, the chances are pretty good that you'll be fine riding on the tires that come stock on your new bicycle.
You might consider upgrading, however, if the tires are the wrong width or design for your preferred style of riding. One important difference among tire varieties to consider is bead type. Beads are found in both edges of the tire. They're the parts that grip the rim to hold the tire on the wheel. Less-expensive tires use wire beads, which add weight (remember that rotating weight is the most important kind). Better models have Kevlar (an ultra-tough fabric) beads.
Tires with Kevlar beads are called "folding tires," and they're a great upgrade if you want lightweight wheels and lively handling. These tires do cost more, but the additional expense is worth it if you want optimum ride quality.
Another reason to swap tires is to get a more preferable width. Tire width determines how much air the tire holds, which in turn decides ride softness. This trait also affects bike handling, rolling resistance, and durability.
You'll find the tire's size written on its sidewall as "700 x XXc," where XX is the tire width in millimeters (700 refers to the nominal outside tire diameter in millimeters, a European standard called "700c"). We're happy to discuss tire ride differences with you. Here's how the sizes compare:
About 650c WheelsSome time-trial bikes, as well as some compact, smaller models come equipped with 650c wheels, which are smaller diameter than 700s. These are a little lighter and slightly stronger, and they accelerate faster than standard 700c wheels. But, 650c wheels sometimes ride a bit rougher (smaller, lighter riders can compensate by dropping tire pressure slightly), lose momentum a bit faster, and cover less distance per revolution (strong riders will require taller gearing). So, if you're comparing bikes with both wheel sizes, be sure to test ride them to feel the differences for yourself. That's the best way to decide.
Tubeless And Tubular TiresMost road bicycles today are equipped with tires called "clinchers," which contain tubes inside. These tires are held on the wheel with a mechanical fit. The tire beads "clinch" the rim.
Another variety of tire/wheel is a "tubular," sometimes referred to as a "sew-up," (you'll see why in a second). Tubular tires are common in professional road racing because they have a true round profile, which offers a slightly smoother ride than standard tires - something favored by those who spend entire days in the saddle.
This round profile is due to the tubular's casing being sewn together at the bottom. There's a tube inside just like inside standard tires, but it's sewn inside, which means repairing flats requires a lot more work. (On the road, you simply replace the tire; to fix the tire, you must do minor surgery on it.) Aside from the smoother ride, tubular wheels and tires are usually slightly lighter than standard models, too, because of the fact that tubular rims are simple box sections.
Tubulars aren't common on most road bikes because of the hassles involved in fixing flats. However, if you're racing, you might like to give them a try. If that's the case, you'll want to learn about tubular tire gluing and tire repair.
The newest road tire type is "tubeless." Just like motorcycle and car tires, these are run without tubes, which eliminates pinch flats, saves a little weight and significantly improves ride quality. These, too, require a special rim, so bikes with wheels with tubeless-compatible rims will accept tubeless tires. This is because with tubeless tires, the tire and rim fit together with an airtight bead lock. And, there are no holes inside the rim, and a special Presta valve that's installed in the rim. We expect to see tubeless installation on more road bikes in the future.
Component GroupsThe main companies making full lines of road components (sometimes called "groups" or "gruppos") are Campagnolo, Shimano and SRAM. These makers offer different levels of components to suit the various rider levels from entry-level to pro racer. A group is typically comprised of brakes, hubs, chain, cassette, bottom bracket, crank, derailleurs, shifters and headset.
Electronic ShiftingThe most recent advancement in drivetrain technology is electronic shifting. First introduced to the mass market by Shimano, these shifters and derailleurs use lightning-fast electrical impulses to change gears. This shifting is precise and quick. The integrated computer unit ensures that shifting is perfect for both the front and rear derailleurs by monitoring their position without sacrificing any shifting speed. And because there are no cables involved, contamination and cable stretch are non-issues. Surprisingly, this technology only tacks on a handful of grams of weight too.
Choosing ComponentsAs you spend more money, parts get lighter (less material; more carbon/titanium), and the bearing quality (bearings are what the hubs, headset, pedals and crankset spin on) improves. Higher-level components shift and brake slightly better, too — though even entry-level braking and shifting is exceptional on modern systems.
So, how do you decide what to buy?
It comes down to your price range and which group offers the features you want (i.e. weight, number of gears, appearance, quality). Usually, you can narrow it down to a couple of groups. And, at that point, a great way to decide is to ride and compare. If you can feel a difference in braking and shifting, go with the bike you like better. With so many different options, and constantly changing technology, we highly recommend visiting us to help you select the right components for your riding needs.
GearingRegardless of what bike you choose, it won't be much fun riding it if the gearing isn't appropriate for your fitness level and where and how you pedal. Fortunately, all component groups offer a variety of different gearing options. We can also modify things if needed to suit your needs.
Chainrings and CogsThere are sprockets on the front and back of the bike. The front sprockets are called "chainrings," and they're located on the crankset, the part that the pedals are attached to. The crankset comes with 2 (called a "double") or 3 chainrings (called a "triple"). Triple cranksets include a small inner chainring (sometimes called a "granny") that offers easier hill-climbing gears. There are also cranksets called "compact" that have only 2 chainrings but have a smaller small chainring for easier climbing. These are more common than triples today.
The sprockets on the rear of the bike are called "cogs," or, if you're referring to the entire cluster of gears, it's called a "cassette" or "freewheel." The cassette is attached to the rear wheel and drives the bike as you pedal. Depending on the components on the bike, there will usually be from 8 to 11 cogs on the rear cassette.
How Many Gears?To figure out how many total gears are on a bike, simply multiply the number of chainrings by the number of cassette cogs. For example on a model with a triple crankset and a 10-cog cassette, you have 30 gears — quite an upgrade from the 10-speeds so popular years ago.
How many gears to get depends on how and where you ride. If you're reasonably fit and bike in flat to rolling terrain, you'll probably be fine with a double chainring and 9 to 11 rear cogs. If it's hilly and you're getting into shape, consider a compact crankset. They provide the simpler double-chainring shifting up front with a small enough small chainring for easier climbing, too. Triple cranksets are an option for those who climb high and aren't super strong, too. The third chainring (sometimes called the "granny gear") offers even easier climbing than the compact crankset's smallest chainring.
When considering how many rear cogs to get, keep in mind that you'll have plenty of gears even if you get a 9-cog cassette. If you go to a bike with more cogs (you can't increase the number of cogs unless the bicycle accepts that cassette), you can either choose a wider range of gears or more-closely spaced gears. The latter is excellent for racing and training because it makes it easier to fine-tune your pedaling effort. Wider gearing offers easier low gears so it's ideal for mountain riding and for when you're not in tip-top shape.
How the Gears FeelTo figure out how easy it is to pedal the gears, you have to know a little more about the chainrings and cogs. They are referred to by the number of teeth on them. So, you might read in bike specifications about 39/53 chainrings and 12-23 cassettes. This means that the small chainring has 39 teeth and the large has 53 teeth and that the cassette has a small cog with 12 teeth on it and a large one with 23. Meanwhile, a compact drivetrain could have a crankset with 34- and 50-tooth chainrings and the cassette might be the same 12-23. To know the size of every cog and chainring, you usually have to count each one (cogs and chainrings are often marked but the marks can be hard to see).
Know Your NumbersDon't let the numbers confuse you. The key thing to know is that for chainrings, larger numbers mean it's harder to pedal and vice versa. For cogs, it's the opposite: the larger the number, the easier it is to pedal and vice versa. By keeping these rules in mind, you can quickly see that a 30/42/52 triple crankset and a 12-30 cassette will offer much easier gearing than a 39/53 double with a 12-23 cassette.
Pondering A Compact Or A TripleMany people wonder whether or not they need a compact crankset or a triple crankset. Our advice is that it depends a lot on how and where you ride. If you like the hills, ride fairly long distances, sometimes carry gear and aren't training all the time to be in optimum fitness, a compact is a nice way to go. You get the easy shifting of a double crankset with gears that make most climbs manageable.
A triple crankset gives you a third, even smaller chainring than what's on a compact crankset. So, it's great if you scale steep climbs, carry loads and travel long distances. Even if you don't use the small chainring all that much, it can be a lifesaver at the end of a long ride when a tough climb stands between you and home. Triple-chainring drivetrains shift slightly more slowly than doubles, which is a consideration if you're riding for a long time, in a century/touring ride, etc.
If you're not sure which is right for you, we recommend coming in and trying the various drivetrains to feel how they work for you. It's also helpful to talk to your friends who ride and see what they recommend since you'll likely be hitting the road with them and enjoying similar rides.
You also need to decide on the range of gears on your rear cassette. In the table to the right is a guide to some commonly available sizes and what they're designed for:
Now, The Fun Part...Now that you have an idea how to decide what type of road machine to get, it's time to come into one of our stores and do some tire kicking and test riding to see how the models compare in person. This will complete the picture and give you a chance to see what you get at the various price points. Here are a final few helpful tips:
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