105 CS-R7000 11 Speed Cassette Cogs:12-13-14-15-16-17-18-19-21-23-25 Designed for reliability with everything

Designed for reliability with everything from dirt jumps to pump tracks

These wheels are perfect to get those coaster brake bikes back on the road

Fully sealed - Inboard full contact lip-seal

Narrow width

SmarTube offers low weight and volume combined with a high level of reliability

105 CS-R7000 11 Speed Cassette Cogs:12-13-14-15-16-17-18-19-21-23-25 Designed for reliability with everythingThe Shimano CS R7000 11 speed cassette offers high performing, rider tuned gearing with wide gear choices. As part of Shimano's 105 R7000 series, this cassette is ideal for beginner road cyclists, combining great value with trickle down technology from Shimano's top tier groups. 11 28T