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Headset Bearings
Make your old headset work like new. Shockcraft has replacement cartridge bearings to fit most common headsets and frames.
From Cane Creek compatible ACB3645 bearings to Campy compatible 4545 bearings and even replacement bearings for Cannondale's own 1.5 inch headset, Shockcraft has them all. We have high quality chromium steel across the range with stainless steel available in some sizes.
These bearings also fit several non-headset applications, such as the pivots in GT's I-drive suspension bikes. Contact us for help with sizing.
Headset Bearing Identification Chart (PDF)
Monocrome 1 1/8" Headset
Shockcraft also has its own high quality headsets with cartridge bearings for standard 1 1/8" frames and forks. Available with chromium steel or stainless steel bearings.
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ACB3645 1 1/8" Stainless Steel FC Headset Bearing (Enduro MAX)
US$33.86In Stock
Application: 1 1/8" Headsets (Cane Creek, Woodman, FSA) & GT I-drive Suspension Pivots
36 x 45 degree ACB
ID: 30.1 mm, OD: 41 mm, W: 6.5 mm Learn More -
ACB3645 1.5" Stainless Steel Cane Creek Lower Headset Bearing (Enduro)
US$42.59Last One Left
ID: 40 mm, OD: 52 mm, W: 6.5 mm
Stainless Steel Learn More -
ACB4545 1 1/8" Stainless Steel Headset Bearing (Enduro)
US$38.81Available on backorder
Application: 1 1/8" 4545 Headsets 45 x 45 degree ACB
41 mm OD, 30.15 mm ID, 7 mm W Learn More -
Application: 1 3/8" Headsets (Specialized etc lower race)
Learn More
45 x 45 degree ACB
ID: 37 mm, OD: 49 mm, W: 7 mm
Stainless Steel
Enduro Part Code: ACB4545-1375-SS-SPEC -
ACB4545 1.5" Stainless Steel Headset Bearing (Enduro)
US$50.84In Stock
Application: 1.5" 4545 Headsets
45 x 45 degree ACB
ID: 40 mm, OD: 52 mm, W: 7 mm
7.0 mm across chamfers Learn More -
B543-2RS FC Stainless Steel Headset Bearing (Enduro MAX)
US$44.77Available on backorder
Application: Cannondale Lefty Headsets
ID: 1 9/16" (39.7 mm), OD: 2" (50.8 mm), W: 9/32"
Imperial bearing Learn More -
Campy 4545 1 1/8" 2RS Stainless Steel Headset Bearing (Enduro)
US$47.60Last One Left
Application: 1 1/8" 4545 Headsets using campagnolo (campy) style 45 x 45 degree ACB bearings ID: 30.5 mm, OD: 41.8 mm, W: 6.4 mm
Two rubber seals (2RS) This bearing looks different but is a direct fit to replace the one-side-sealed Campy 4545 1 1/8" bearings
Straight replacement for Campy 4545 1 1/8" bearings Learn More -
Trek Speed Concept Upper Stainless Steel Headset Bearing (Enduro)
US$32.38Available on backorder
Application: Trek Speed Concept headsets
ID: 14.2 mm, OD: 25 mm, W: 6.5 mm
Trek Part Code: 276442 Learn More
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- Bearing Material: Stainless Steel Remove This Item
Shopping Options
- Bearing Internal Diameter (ID)
- Bearing Outside Diameter (OD)
- Bearing Chamfer
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