Bearing Kits

ACB30418K Headset Bearing

Found in 'some' Acros Headsets

Inner x Outer x Depth (mm): 30.1 x 41.8 x 8
Inch Dia: 1-1/8”
Angle / Chamfer (Deg): 36 / 45

AI52/Ai52 Upper Headset Bearing, Note the lower bearing is our part ref 'P16'

Inner x Outer x Depth (mm): 42 x 52 x 7
Inch Dia: 1 - 1 / 2”
Angle / Chamfer (Deg): 45 / 45
Note: Same fit as Acros AC4252

Acros compression ring for integrated cable routing

Acros Item code: 1152104

This Bearing 'set' consists of a lower stainless heasdset bearing inserted into a lower aluminium cup and supplied with a crown race. This is an original Acros product

Note: Lower part 1.5" only
Stainless steel angular contact ball bearings

Key Features
• Weight: 54g
• Fork steerer: 1.5" (39.8mm)
• ⌀ Cup skirt: 56mm

This Bearing 'set' consists of a lower stainless heasdset bearing inserted into a lower aluminium cup and supplied with a crown race. This is an original Acros product

Acros Part Ref: 44.02.710
Note: Lower part 1.5" only
ZS66/40/OD72
Stainless steel angular contact ball bearings

Key Features
• Weight: 64g
• Fork steerer: 1.5" (39.8mm)
• ⌀ Cup skirt: 66mm

This Bearing 'set' consists of a lower stainless heasdset bearing inserted into a lower aluminium cup and supplied with a crown race. This is an original Acros product

Acros Part Ref: 44.02.700
ZS66/46/OD72
Stainless steel angular contact ball bearings

Key Features
• Weight: 70g
• Fork steerer: 1.8" (45.8mm)
• ⌀ Cup skirt: 66mm

2 x Bearings (Upper & Lower) to fit Canyon Headset on following Road Bikes - CF Aeroad, Ultimate or Endurance.

Equivalent to Canyon GP7172-01 Headset-Kit.

Note, on Canyon site they list the upper bearing as 31.6 x 44 x 6mm but this is incorrect, as this dimension with compression ring inserted.

NOTE, This does not fit Canyon SLX Models BEFORE 2016.
Used On: Carbon Fibre Canyon Bikes that run the AI-70 Headset on these Canyon Models after 2016 (R36 Endurace CF SLX, R39 Ultimate CF SLX, R28 Aeroad CF SLX) 

Refer to the Canyon web site for technical data for your year of bike if you are in any doubt if this is the correct Headset for your Canyon

Important to note: This is a Bearing 'set' which consists of an upper and lower heasdset bearing & compression ring. It is made by Acros. 

Upper Bearing (AC3544)
Inner x Outer x Depth (mm): 35 x 44 x 5.5
Angle / Chamfer (Deg): 36/45

Lower Bearing (AC3344)
Inner x Outer x Depth (mm): 33 x 44 x 6
Angle / Chamfer (Deg): 36/45

RRP £59.99
PART REF: GP7172-01

Canyon/Acros Aeroad Compression Ring.
Acros Product Code: 5652004R3

Plastic ring inserted within the ACB3544H5.5 Upper Bearing in the CF Aeroad/Ultimate/Endurance Headset.

Important: This does not fit the AI70 headset that use 6707 upper headset bearing 

If you have purchased our non-Acros headset bearings ACB3544H5.5 and ACB3344H6 then this compression ring will be correct fit.

Canyon/Acros AI70 Compression Ring.

Plastic ring inserted within the 6707-2RS Upper Bearing in the AI70 Headset

Important: This does not fit the CF Aeroad, Ultimate or Endurance SLX models that use AC3544 upper headset bearing - the chamfer angle is different.