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Headset Bearings

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14 Item(s)

  1. Stainless Steel ACB (Angular Contact Bearing)
    36° internal chamfer.  45° external chamfer.
    ID: 27.1 mm, OD: 38 mm, W: 6.5 mm

    Enduro Part Code:  ACB6805 SS

    Learn More
  2. Application: Niner Suspension Pivots & Trek Speed Concept Lower Headsets
    ID: 27.1 mm, OD: 38 mm, W: 6.5 mm Learn More
  3. 6807-2RS FC Headset Bearing (Enduro MAX)

    US$15.11

    Available on backorder

    Application: Headsets
    ID: 35 mm, OD: 47 mm, W: 7 mm Learn More
  4. 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
  5. ID: 40 mm, OD: 52 mm, W: 6.5 mm
    Stainless Steel Learn More
  6. Application: 1 1/8" 4545 Headsets 45 x 45 degree ACB
    41 mm OD, 30.15 mm ID, 7 mm W Learn More
  7. Application: 1 3/8" Headsets (Specialized etc lower race)
    45 x 45 degree ACB
    ID: 37 mm, OD: 49 mm, W: 7 mm
    Stainless Steel

    Enduro Part Code:  ACB4545-1375-SS-SPEC

    Learn More
  8. 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
  9. Application: Klein Headsets
    ID: 1 5/16" (33.34 mm), OD: 1 3/4" (44.45 mm), W: 9/32" (7.14 mm)
    Imperial bearing Learn More
  10. B543-2RS FC Headset Bearing (Enduro MAX)

    US$23.49

    Available 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
  11. Application: Cannondale Lefty Headsets
    ID: 1 9/16" (39.7 mm), OD: 2" (50.8 mm), W: 9/32"
    Imperial bearing Learn More
  12. 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
  13. Specialized Lower ACB4545 1.25" Stainless Steel Headset Bearing (Enduro)
    46.8 mm OD, 34.1 mm ID, 7 mm W Learn More
  14. Application: Trek Speed Concept headsets
    ID: 14.2 mm, OD: 25 mm, W: 6.5 mm

    Trek Part Code: 276442 Learn More

Set Descending Direction

14 Item(s)