Shimano Claris CS HG50 Cassette 8 Speed 12 25t Silver Nickel Plated CheckoutSpec= 12 x 177mm Made 100% with Torayca Japan Made 100% with Torayca Japan T700 and T300 advanced carbon fiber using a unique carbon flat lay up process the Topeak Shuttle Cage XE is an incredibly strong ultralight and affordable 3K carbon fiber bottle cage Large area pressure distribution provides optimal pressure distribution for sit and pelvic bones the contoured surface area helps prevent saddle discomfort Color Silver Range 12 25 Cassette Cogs 12 13 15 17 19 21 23 25 Cassette Body Type Shimano SRAM 8 9 10 Speed Drivetrain Speeds 8 Weight 323 Defined Color Silver top li{margin left:5%