Wolf Tooth Headset Spacers for Trek Knock Block are machined in the USA out of aircraft grade aluminum. - Compatible with Trek Knock Block system - These spacers have unique raised features that key to Knock Block compatible stems (made by Bontrager) - 1 1/8" top (straight 1 1/8" or 1 1/8" to 1 1/2" taper) steerer tubes only

Wolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These ZS headsets are for frames with internal bearing cups that are pressed into the frame. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty. Upper assembly features: - Ultralight stem cap with integrated spacer plus an aluminum bolt and a star nut. - 6, 15, and 25 mm stack height top cover options (6mm cover = 6mm total stack, 15mm cover = 15 total stack, 25mm cover = 25mm total stack). - O-ring seal prevents water intrusion around the steerer tube. - Custom-molded upper lip seal provides additional protection for the upper bearing.

- 10-speed: stainless steel 6.1mm wide no tool chain connector for Shimano and Campagnolo - 9-speed: stainless steel 6.5mm wide no tool chain connector for Wippermann chains - 6-8 speed: stainless steel 6.8mm wide no tool chain connector for Wippermann chains

Bulk packaged, corrosion resistant stainless steel fasteners.

Flat head screws from Wheels Manufacturing.

Flat head screws from Wheels Manufacturing.

Flat head screws from Wheels Manufacturing.

Replacement M8 Nut/Bolt Set for Wheels Mfg derailleur hangers. - M8 chainring bolt style fastener - Use with 5mm hex wrench

- Black carbon fiber weave headset spacers for tuning ride height - No logos - Includes one (1) 1-1/8" x 10mm spacer

- Black carbon fiber weave headset spacers for tuning ride height - No logos - Kit includes one (1) 1-1/8" x 20mm spacer

Bottom bracket cup and spindle spacers for adjusting chainline or bearing play.

Bottom bracket cup and spindle spacers for adjusting chainline or bearing play.

Bottom bracket cup and spindle spacers for adjusting chainline or bearing play.

Bottom bracket cup and spindle spacers for adjusting chainline or bearing play.

Aluminum headset stack spacers precision cut to ensure proper headset function. - Precision cut for proper function

Aluminum headset stack spacers precision cut to ensure proper headset function. - Precision cut for proper function

Bottom bracket cup and spindle spacers for adjusting chainline or bearing play.

Thin, durable clear chainstay protector with extra-strong adhesive. - Overall length - 10.375

Spiral cable wrap manages those messy cables to achieve a sleek clean look while protecting shifting, braking, and electronic bike cables and hoses.

WeThePeople's classic mushroom-styled Hilt grip now measures 160mm long to fit today's wider bars. Made with Vex compound rubber for a better feel. - Flangeless - Size: 160mm Length, 29.5mm Diameter

- Vision Aero/reverse brake lever specific brake cable - Replacement cables that only work with Vision reverse brake levers - Sold individually

- Adhesive backed, 100% cotton, braided, reinforced edges

- Use without washers for two chainrings, with washers for one DH ring - Bolts and nuts use hex keys - Includes 15 pieces total; 5 nuts, 5 bolts, 5 washers - Length: 8mm - Material: Steel - Type: Hex

Trek proprietary frame hardware. - Trek MTB Cable Stops and Guides - For specific compatibility concerns, please contact our Customer Service team

For proper assembly. - Semi-matte finish - For specific compatibility concerns, please contact our Customer Service team

Original replacement parts for optimal functionality. - Includes 2 bolts

For proper assembly. - Fits any Trek frame with open groove guide design - For specific compatibility concerns, please contact our Customer Service team

For use with ICS stem. - Keeps a clean aesthetic - Please consult assembly manual before attempting service

Genuine replacement parts Genuine replacement parts Original Equipment specifications. Compatible with Bosch Powertube RIB batteries. - Hardware should be ordered separately

Make sure your kid has a good grip out on the trail with Trek's Kids' MTB Grips. Their knurled design is easy to hold onto when things get bumpy. Choose the 75/125mm pair for twist-shifter compatibility.