Chromium

THE UPPER BEARING FOR AN ACROS AI-70 HEADSET USED ON CANYON BIKES
NOTE, These do not fit Canyon Ultimate CF SLX 2016 onwards - you will require bearings AC3544 (upper) and AC3344 (Lower)

Inner x Outer x Depth (mm): 35 x 44 x 5
Inch Dia: 1 - 1 / 4
Angle / Chamfer: Non

NOTE, THIS BEARINGS HAS BEEN DISCONTINUED BY ENDURO - WE CAN NO LONGER PURCHASE.

Inner x Outer x Depth (mm): 30.2 x 42 x 7
Inch Dia: 1-1/8”
Angle / Chamfer (Deg): 1 x 45 Deg Chamfer on Inner Race
Used on: Pinarello Headsets / Acor

Inner x Outer x Depth (mm): 35 x 47 x 7
Used On: Wheels 

FITS MANY PINARELLO ROAD BIKES USING NON-TAPERED 1-1/4" BEARINGS (SEE SEPARATE LISTING FOR STAINLESS VERSION)

Inner x Outer x Depth (mm): 35 x 47 x 7
Inch Dia: 1 - 1 / 4"
Angle / Chamfer: Non
Material: Chromium Steel GCR15 (Race & Balls)

Inner x Outer x Depth (mm): 35 x 47 x 7mm
Used on: Headset Pinarello 1-1/4"
RRP £13.49

FITS MANY PINARELLO ROAD BIKES USING NON-TAPERED 1-1/2" BEARINGS

Inner x Outer x Depth (mm): 40 x 52 x 7
Inch Dia: 1 - 1 / 2"
Angle / Chamfer: Non
Material: Chromium Steel GCR15 (Race & Balls)

AC3748 Headset Bearing

AI70 lower bearing to fit Canyon Bikes (Normally only available as a complete bearing set)

Inner x Outer x Depth (mm): 37 x 48 x 7
Angle / Chamfer: One chamfer 45 Deg only on the inner side

VERY SMALL HEADSET BEARING USED ON TREK TIME TRIAL BIKES

Inner x Outer x Depth (mm): 14.2 x 25 x 6.5

Angle / Chamfer (Deg): 36 / 45

Inner x Outer x Depth (mm): 30.05 x 42 x 7
Inch Dia: 1-1/8”
Angle / Chamfer (Deg): 36 / 45
Material: Chromium Steel

(Lower Bearing for SLX Models after 2016)
Also known as: AC3344

Used On: 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

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