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Headsets
$10.45
Grade 300 retainer bearings for headset and bottom bracket service
- 5/32" ball diameter
- 20 balls per retainer
- Grade 300 Bearings
- 10 Retainers/Bag
$20.48
Grade 300 retainer bearings for headset and bottom bracket service
- 5/32" ball diameter
- 22 balls per retainer
- Grade 300 Bearings
- 10 Retainers/Bag
$63.99
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
- 72-degree headset fits 2021 Slash 29
- 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
$28.39
• Aluminum
• Semi-sealed mechanism
• 1 1/8 inch
• S.H.I.S.: EC34/28.6, EC34/30
$20.19
- Steel cup semi-integrated design
- Threaded semi-integrated design
- Fits many Sun cruisers and others
- Caged bearing 5/32" x 22A
- Cup Diameter: 44mm
- Race Diameter: 30mm
- Stack Height: 18.2mm
$15.79
- 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"
$13.69
• Steel
• Retainer ball bearings, includes top cap and star nut
• 1 1/8 inch
• S.H.I.S.: EC34/28.6, EC34/30
$10.49 - $22.09
- Steel cups
- Steel retainer bearings
- Available in chrome or black
- Steerer Dia: 25.4mm
- Cup Dia: 30mm
$13.69
• Steel
• Retainer ball bearings, includes top cap and star nut
• 1 inch
• S.H.I.S.: EC30/25.4, EC30/26
$21.99
The Sunday BMX integrated headset is designed to be a quality headset at an affordable price.
- Laser-etched Sunday logo
- Color-matching spacers included
- Gyro compatible
- High quality sealed bearings and precision tapered wedge help to keep the headset tight
$21.99
The Sunday BMX integrated headset is designed to be a quality headset at an affordable price.
- Laser-etched Sunday logo
- Color-matching spacers included
- Gyro compatible
- High quality sealed bearings and precision tapered wedge help to keep the headset tight
$22.99
The Revolver headset features a high precision CNC 6061 Aluminum bearing cover with triple rubber seals for a perfect fit.
- Campy spec 45x45 sealed bearings
- 15mm dust cover stack height
- 2.7oz (76.54g)
- Materials: Aluminum Cover, Chromoly Crown Race
$26.99
Designed using high-quality sealed bearings and a precision tapered wedge to keep the headset tight at all times.
FEATURES
- High-quality sealed bearings.
- Color matched spacers included.
- 10mm, 3mm and 2mm (15mm total)
- Laser etched Odyssey bearings.
SPECS
- Campagnolo standard spec.
- 1-1/8 integrated headset.
- 45º tapered bearings 41.8mm outer diameter (fits 42mm BMX head tubes).
$24.99
New dust cap design, with Monogram laser etched logo, for a cleaner look to accommodate a taller riding set up with less spacers. Same quality as Odyssey's Pro Headset using high-quality sealed bearings and a precision tapered wedge to keep the headset tight at all times.
FEATURES
- High-quality sealed bearings.
- Color matched spacers included.
- 15mm dust cap. With 3mm, and 2mm spacers
- Laser etched Odyssey bearings.
SPECS
- Campagnolo standard spec.
- 1 1/8-inch integrated headset.
- 45º tapered bearings
- 41.8mm outer diameter (fits 42mm BMX head tubes).
$26.00
-Aircap OD2 expander system steerer plug (2012-2016)
$59.95
- Forged, CNC machined aluminum cups and race
- Micro angular contact sealed bearings
- Duron X: External Cup, traditional
- S.H.I.S: EC30/25.4-24tpi|EC30/26
- Stack: 27.5mm/13mm
- Color: silver
- Weight: 94g
$20.99
Replacement headset bearings from FSA.
- Compatible with most Trek MTB integrated headset systems
- Sealed bearing for long life
- Compatible with Knock Block Headsets
$11.00
FSA Standard Headset Bearings
$25.00
FSA Standard Headset Bearings
$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
$13.00
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
$3.00
FSA Standard Headset Bearings
$16.99
- CrMo headset with oversized 3/16" lower ball bearings, 5/32" upper bearings and a nylon top cover
- Hammer: External Cup, traditional
- S.H.I.S.: EC34/28.6|EC34/30
- Stack: 12.8mm/11.9mm
- Color: Black
- Weight: 149g
$29.99
- Gyro compatible, 45/45 degree angular contact cartridge bearings, alloy crown race
- Impact: 45x45 degree Campagnolo Integrated
- S.H.I.S.: IS42/28.6|IS42/30
- Stack: 8mm/1mm
- Color: Black, Orange, Red
- Weight: 68g
$18.00
Replacement headset uppers from FSA.
- S.H.I.S. Stem Clamp Diameter: 28.6 Threadless
- Bearing Type: Cartridge
- S.H.I.S Upper: IS41
- Upper Stack Height: 8.2
$32.00
Replacement headset uppers from FSA
- Internal HS Upper Orbit-Z
- Steerer diameter: 1-1/8"
- ZS44/28.6 (36 x 45)
- 5.3/13.1mm
$21.99
A new headset gives you a new lease on life. This is the upper part of an integrated headset for a 44mm headtube.
- Lower part of the headset sold separately