The SRAM PG-1030 cassette features PowerGlide Technology for
super- smooth shifting between gears. The double nickel chrome finish does more than look snazzy; it helps protect the teeth for many seasons of riding. PowerGlide technology Durable nickel chrome finish
The Deore series is a staple of the
Shimano lineup, offering outstanding performance at an affordable price.Proven technologies deliver durability and reliabilityVersatile design, on or off roadDouble Servo-Panta mechanism for smooth consistent shiftsLight weight aluminum/steel construction, approximate weight 292 ...
Zee is Shimano's new line of Gravity-specific components,
for those of us who do not have multi-million dollar sponsors. The 10 speed Zee RD-M640 features Shimano's premier Shadow Plus technology, which introduces a switchable friction clutch into the rear linkage ...