Bottom bracket standards seem to be a dime a dozen these days, so to stay on top of the game, SRAM stays current to reflect the sizes used in the industry with the GXP BB92 Bottom Bracket.
The XTR M9100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage.
The strongest system is a chain with no weak links. Eagle chain links have a smooth radius, with no sharp edges or chamfers, which yield a significant reduction in noise, friction and wear.
• Aluminum radiator cooling fins for increased cooling
• New resin friction material offers 40% better wear-resistance over previous models
• Predictable braking power
• Consistently smooth and quiet braking
• Designed for wet and dry conditions
Whether for prized race machines or the build of their dreams, the XG-1299 cassette is the ultimate, giving riders unprecedented 520-percent range thanks to the new 10-52 tooth-span.