In all instances, the new drivetrain and brakes proved their worth. Shimano’s XTR outpaces SRAM’s 12-speed mountain-bike transmissions—which include cog sizes from 10 to 50—with an even ...

Older Shimano's XTR and XT V-Brakes feature a special parallelogram linkage. This serves two purposes: It causes the brake shoes to remain at the same angle to the rim throughout the stroke, and ...

Team mechanic Joe Krejbich keeps Gee's bike running smoothly throughout the World Cup season and gives you some tips on how to bleed your Shimano brakes.