Enduro ACB 4545 S8551 1-3/8 BO Angular 36.8 x 45.8 x 6.5mm 45°/45° Headset Bearing needstag it utilizes a Pindome design

it utilizes a Pindome design for gears 1-8 and a single piece mini-cluster for gears 9-12

Strap-mounted third tear-off post for added convenience

and limits gastrointestinal discomfort

T+ Carbon Series

SRAM chain engineers developed PowerLock as a tool-free

Enduro ACB 4545 S8551 1-3/8 BO Angular 36.8 x 45.8 x 6.5mm 45°/45° Headset Bearing needstag it utilizes a Pindome designACB 4545 S8551 BO 1 3 8" Angular Contact Black Oxide treated Headset bearing (36. 8 x 45. 8 x 6. 5mm: 45 x 45 deg) Angular contact headset bearing featuring anti corrosion Black Oxide Magnetite coated 52100 High Carbon Chromium alloy races paired with grade 10 Balls. Black Oxide coating provides an extra level of corrosion resistance and extended worry free performance The Enduro line of angular contact headset bearings start with Black Oxide treated