Shimano CT-S500 Alfine Spec Chain Tensioner Kids Bike Helmets - Rear speeds 12

- Rear speeds 12

The bare necessities in a small and beautiful package to get your tire back up and you kicking ass

the R8000 cassette is available in a wide range of road and mixed surface ratios

and 3F Design Philosophy make commuting or a casual spin comfortable without compromising efficiency

Shimano CT-S500 Alfine Spec Chain Tensioner Kids Bike Helmets - Rear speeds 12SHIMANO ALFINE Double Pulley Chain Tensioner Perfect for SHIMANO ALFINE equipped bicycles, the double pulley chain tensioner can accommodate a front chainring difference of 16 teeth and sprockets sized 18 to 20 teeth. PRODUCT SPECIFICATIONS MODEL NO CT S500 SERIES ALFINE S7000 S700 Series Color Silver Black Compatible cassette sprocket CS S500 Max. rear sprocket 20T Min. rear sprocket 18T Dropout Vertical drop end type Structure Double pulley