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Headsets
$36.00
High-quality replacement headset bearings are smooth like butter.
- Sealed cartridge bearing for long life
- Durable steel bearing housing
$70.99
Service and replacement parts specifically for Trek Knock Block technology.
Genuine replacement parts
Get your bike back on the trail with the headset parts you need.
- Trek proprietary headset components compatible with Trek Knock Block models
- 58-degree headset fits all 2017-2020 Knock Block equipped models
- Includes crown race, bearings, top cover, frame chip & fastener
- Frame chip has display tabs to connect Bosch Kiox Mount sold separately
- Must be paired with Knock Block stem and Knock Block spacers
- Knock Block headset spacers not included
$27.99
- Steel cup semi-integrated design
- Alloy top cap with hollow bolt allows for brake cable pass-through
- Caged bearing 5/32" x 22A
- ED Black durable finish
- SHIS: ZS44/28.6|ZS44/30
- Steerer OD: 28.6mm
- Cup: 44mm
- Race: 30mm
- Stack Height: 9.4mm
$14.99
Get back on the bike with a genuine replacement headset.
Original replacement headset for your bike.
PRODUCT DETAILS
- Confirm compatibility before use
- Includes reducer, bearings, cling ring, gasket and dust cover
$70.99
Service and replacement parts specifically for Trek Knock Block technology.
Get your bike back on the trail with the headset parts you need.
PRODUCT DETAILS
- Trek proprietary headset components compatible with Trek Knock Block models
- 62-degree headset fits 2020 & 2021 Supercaliber and 2021 Procaliber
- Includes crown race, bearings, top cover, frame chip & fastener
- Frame chip has display tabs to connect Bosch Kiox Mount sold separately
- Must be paired with Knock Block stem and Knock Block spacers
- Knock Block headset spacers not included
$25.00
FSA bearings that set directly into the frame without the use of pressed in cups.
- 36/45 degrees is Cane Creek-compatible
- 45/45 degrees is Campagnolo-compatible
$12.99
Crown races for Cane Creek headsets fit a variety of lowers and crown race seat diameters.
- Compatible with 10-, 40- and 110-Series headsets and backwards compatible with S and XX Series
- Integral mold seals keep out the elements
- Durable steel construction
$16.99
Get back on the road with a genuine replacement headset for your Cruiser Go!
Original replacement headset assembly for your Electra.
PRODUCT DETAILS
- Direct replacement for Cruiser Go! Models
- Compatible with straight steerer 1-1/8" forks
$19.99
- Steel cups
- Steel retainer bearings
- Available in chrome or black
- S.H.I.S.: EC34/28.6-26tpi|EC34/30
- Steerer Dia: 28.6mm
- Cup Dia: 34mm
- Race Dia: 30mm
- Stack Ht: 40mm
Size: 1-1/8"
$70.99
Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek headsets. The 40 Series has light, tough, and beautiful machined 6061 T6-aluminum cups that are internally relieved for even more gram shaving. You also get Cane Creek's corrosion-resistant black-oxide sealed bearings and quality seals throughout to keep the grease in and the dirt out, including Cane Creek's Clip Seal that completely seals the top assembly.
$46.99
Genuine replacement parts
Get back on the road with a genuine replacement headset.
Designed for use with internal cable routing
- Includes lower and upper bearing
- Includes headset compression ring
- Compression ring is stackable with Allant+ 9.9 / Zouma Supreme+ Top cap and Spacers
$8.99
Genuine replacement parts
Keep your bike operating as it should.
- Fits 1" threaded steerers for use with 1-1/8" headtubes
- Cage ball bearings
$58.99
Get back on the trail with a replacement headset assembly for your Session.
Original replacement headset assembly for your Session.
PRODUCT DETAILS
- Complete headset assembly
- Degree offset headset is stock on Session models
- Only for use on 2018+ Session Carbon models
$21.99
Replacement headset bearings from FSA.
- Compatible with most Trek MTB integrated headset systems
- Sealed bearing for long life
- Compatible with Knock Block Headsets
$24.99
Replacement headset bearings from FSA.
- Compatible with most Trek MTB integrated headset systems
- Sealed bearing for long life
- Compatible with Knock Block Headsets
$44.99
Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek headsets. The 10 Series has light, tough and beautiful machined 6061 T6-aluminum cups, Cane Creek's corrosion-resistant black-oxide angular-contact bearings and quality seals throughout to keep the grease in and the dirt out.
$65.99
Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek headsets. The 40 Series has light, tough, and beautiful machined 6061 T6-aluminum cups that are internally relieved for even more gram shaving. You also get Cane Creek's corrosion-resistant black-oxide sealed bearings and quality seals throughout to keep the grease in and the dirt out, including Cane Creek's Clip Seal that completely seals the top assembly.
$26.00
The Ritchey Logic Threadless headset features a smaller upper bearing to save weight, while the oversize lower bearing is designed to handle loads. Deep bearing cups promise solid insertion.
- Bearing: Retainer ball bearing
- Material: Steel/Plastic
- Stack Height: 28.3mm
$52.99
Authentic replacement Trek parts.
Genuine replacement parts
Get your bike back in action with a quality replacement headset.
- 1-1/2in. Lower bearing
- Angular contact bearings
$7.99
Refresh your ride.
Genuine replacement parts
The right parts for the right bike.
- Durable steel construction
- Great low-cost replacement option
$4.99
FSA Standard Headset Bearings
$25.99
Get back on the road with a genuine replacement locking headset for your Townie.
GENUINE REPLACEMENT PARTS
Original replacement headset assembly for your Electra.
PRODUCT DETAILS
- Used when bike is being stowed
- Keeps bike from tipping over when parked
$19.99
- Forged steel cups with caged 5/32" ball bearings
- TH-857 features a alloy top cover
- TH Series: External Cup, traditional
- S.H.I.S.: EC34/28.6|EC34/30
- Stack: 14.9mm/11mm
- Color: Black
- Weight: 126g
$27.00
ABI Headset Bearing for new builds or replacements.
$38.00
ABI Headset Bearing for new builds or replacements.
$58.99
Genuine FSA replacement headsets.
Genuine Replacement Parts
Get your bike back on the trail with the headset parts you need.
- Complete headset assembly includes 1.5" crown race
- For use with 44mm upper ID and 56mm lower ID frames
$78.00
FSA Orbit MX threadless headset features TH brand 36-degree angular contact sealed bearings.
- Forged and CNC machined 6061/T6 aluminum cups
- Patented alignment tip for increased durability and performance
- TH Brand 36-degree Angular Contact sealed bearings
- 7075 alloy crown race
- Laser etched aluminum top cap
- EC34/28.6 (36x36) | EC34/30 (36x36)
$46.99
Cane Creek's 10 Series has light, tough, and beautiful machined 6061 T6-aluminum cups, Cane Creek's corrosion-resistant black-oxide angular-contact bearings and quality seals throughout to keep the grease in and the dirt out.
• Technical Description: EC34/28.6/H16/K|EC34/30 /H12/K
• Top Type: EC - External Cup
• Top Head Tube Inside Dia.: 33.95mm
• Stem Clamp Dia.: 28.6mm
• Top Stack Height: 16mm
• Top Bearing Type: Black Oxide
• Bottom Type: EC - External Cup
• Bottom Head Tube Inside Dia.: 33.95mm
• Crown Race Seat Dia.: 30.015mm
• Crown Race Type: Polymer
• Bottom Stack Height: 12mm
• Bottom Bearing Type: Black Oxide
• Material: 6061 aluminum
• Weight: 88.29g
$85.99
Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek's 40-Series headsets.
• Technical Description: ZS44/28.6/H8/K|ZS56/40/H4/K
• Top Type: ZS - ZeroStack
• Top Head Tube Inside Dia.: 44.00mm
• Stem Clamp Dia.: 28.6mm
• Top Stack Height: 8mm
• Top Bearing Type: Black Oxide, Sealed
• Bottom Type: ZS - ZeroStack
• Bottom Head Tube Inside Dia.: 55.95mm
• Crown Race Seat Dia.: 39.79mm
• Crown Race Type: Steel, Face-Sealed
• Bottom Stack Height: 4mm
• Bottom Bearing Type: Black Oxide, Sealed
• Material: 6061 aluminum
• Weight: 109g
$54.99
- Bearing Type: Cartridge
- Weight: 86 g
- Crown Race: 40
- S.H.I.S Lower: IS52
- S.H.I.S Upper: IS42
- S.H.I.S. Stem Clamp Diameter: 28.6 Threadless
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