Filter By:
- Show More Brands
- Show Fewer Brands
- Show More Sizes
- Show Fewer Sizes
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
$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
$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
$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
$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
$41.69
• Sealed cartridge bearings
• CNC machined 6061-T6 aluminum cups with laser etched logos
• 26.4mm & 27.0mm races included
• S.H.I.S.: EC30/25.4-24tpi|EC30/26
• Steerer Diameter: 25.4mm
• Cup Diameter: 30.2mm
• Race Diameter: 26.4mm
• Stack Height: 42.5mm
• Size: 1-inch
• Black or Silver
• Weight: 110g including lock nut
$25.99
- 3-piece expander design provides a secure fit within carbon steerer tubes
- 22-25mm range of expansion
- 50mm height reinforces carbon steerer tube beneath the stem
- New design evenly distributes headset compression forces
- Lightweight AL6061 alloy construction
- Stainless steel bolt
$14.99
Lightweight aluminum alloy
- Non-Keyed
- Height: 20mm
- 10 to a bag
$46.99 - $48.99
Origin-8's Pro Fit Threadless Headset is made of light and durable aluminum and boasts smooth and long-lasting sealed cartridge bearings. It also sports nice laser-etched logos.
$45.99 - $49.99
The Origin8 Twistr Integrated Headset features highly polished sealed angular contact premium bearings ensure smooth operation. Its CNC-machined AL6061 top cover is sealed to keep moisture and grit away from the bearings, while the CNC-machined AL7075 crown race protects the lower bearings and fork.
- AL6061 top cap
- Forged stainless steel bolt
- Includes star nut
$71.99
Origin8's Twistr Semi-Integrated & External Headset features highly polished sealed angular contact premium bearings ensure smooth operation. Its CNC-machined AL6061 top cover is sealed to keep moisture and grit away from the bearings, while the CNC-machined AL7075 crown race protects the lower bearings and fork.
- AL6061 top cap
- Forged stainless steel bolt
- Includes star nut
$59.99
Origin8's Twistr Semi-Integrated Headset features highly polished sealed angular contact premium bearings ensure smooth operation. Its CNC-machined AL6061 top cover is sealed to keep moisture and grit away from the bearings, and the CNC-machined AL7075 crown race protects the lower bearings and fork.
- AL6061 top cap
- Forged stainless steel bolt
- Includes star nut
$30.99
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).
$30.99
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).
$22.00
Replacement headset bearings from FSA.
- Compatible with most Trek MTB integrated headset systems
- Sealed bearing for long life
- Compatible with Knock Block Headsets
$25.00
FSA Standard Headset Bearings
$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
$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
$19.00
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
$34.00
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
$25.00
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
$46.00
- No. series headsets offer excellent performance and value
- No. 8b: 36x45 degree Cane Creek Integrated, or No. 10: Zero Stack shallow available for 1-1/8" applications
- No. 10 S.H.I.S.: ZS44/28.6|ZS44/30
- No. 8B S.H.I.S.: IS42/28.6|IS42/30
- Stack: 5.2mm/3.7mm (No. 10), 8mm/1mm (No. 8B)
- Color: Black
- Weight: 93g (No. 10), 74g (No. 8B)
$69.00
- 1-1/8" / 1-1/4", 45°/ 45° ACB
- Compatible with carbon or alloy head tubes
- For tapered 47mm / 52mm OD head tube
- For 1-1/8" to 1-1/4" tapered fork
- Alloy top cover
- Upper : 1-1/8" angular contact bearing black seal)
- Lower : 1-1/4" angular contact bearing (black seal)
- Stack height 15.6+1=16.6mm
- 74 grams
$53.00
- 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
$92.00
- Carbon fiber top cover
- Upper: Campagnolo angular contact bearings (black seal)
- 1-1/8-inch, 45 degrees/ 45 degrees ACB upper
- 1.5-inch, 36 degrees/ 45 degrees ACB lower
- For tapered 46mm/56mm OD headtube
- For 1-1/8-inch to 1.5-inch tapered fork