SRAM Force XG-1270 10-30 12 Speed Cassette Size:10-30 Storm 27-2 is your ticket

Storm 27-2 is your ticket to years worth of fun riding on paths

now with added assistance to get you up those hills faster to enjoy riding further and for even longer

About Shimano Altus RD-M370 9 Speed Rear Derailleur BlackThe 9-speed SHIMANO ALTUS M370 rear derailleur uses its MEGA 9 DRIVE TRAIN design to deliver smooth

as well as the brand new 12sp Shimano 105 groupsets

Rotor Diameter: 160mm

SRAM Force XG-1270 10-30 12 Speed Cassette Size:10-30 Storm 27-2 is your ticketAbout SRAM Force XG 1270 10 30 12 Speed Cassette Designed for the next generation of drivetrainsand the next generation of riders. The SRAM Force XG 1270 cassette is optimized for electronic shifting and features SRAM's X Range gearing technology. Smooth, precise shifts, from 10T on up. Features Features at least five one tooth jumps for a smoother gear progression 10 tooth start helps provide a wider gearing range Designed to work with an XDR driver