Enduro - Bearing 6903 DMR 25T steel chainring

25T steel chainring

Indoor training means a lot of sweating

SRAM'S 10-speed PowerChain™ features the PowerLock® connecting link - secure tool-less attachment

Neoprene sleeve insulates hand from cold during discharge

- Outer Plate: Nickel

Enduro - Bearing 6903 DMR 25T steel chainringABEC 3 radial bearing with 17 mm inner diameter, 30 mm outer diameter, 7 mm thickness and double lip type sealing with light contact, making a labrinth seal. ABEC 3 bearings use grade 10 Chromium Steel Balls and 52100 High Carbon Chromium Alloy Races. The high precision balls are within 10 1. 000. 000 round, twice as round as the industry standard, at it's highest level. The alloy races are made from a vacuum de gassed process for the purest chromium