Product details: High quality 8-speed cassetteHyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under loadClose ratio gearing allows a more efficient use of energy through finer cadence controlSprockets are cut ..
PRODUCT DETAILS: Six gears of the Shimano MF TZ20-CP Mulitple Freewheel 6 speed 14-28T ensure a smooth transition when shifting up or down the block. A reliable 6-speed screw-on freewheel, engineered for smooth chain movement up or down the block. This freewheel can be easily installed onto co..