The B Series from Crank Brothers are a bit-based tool system with a magnetised socket driver that fits easily into a jersey pocket pockets or hydration pack bag

42t: Improved by 19%

0 remotes and batteries are not interchangeable

It combines SRAM's proven Guide R lever assembly with a powerful 4-piston caliper derived from the gravity-focused Code brakes

Fox Ranger 6 Inch Socks - S-M - Plum Perfect PDP|PLP|Suits Freehub Type The B Series from CrankDesigned for your specific brand of rowdiness, the Ranger Socks get that your feet were not meant to suffocate while you get your shred on. The mesh zones of these socks provide exceptional breathability and ventilation, while the toe construction offers even more comfort with no bulky stitching. When the trail gets really rough the rib knit upper means ensures these socks won't fall down around your ankles. Features: Mesh zones provide added