Shimano CT-S500 Alfine Spec Chain Tensioner Kids Bike Helmets the R8000 cassette is available

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

Shimano Deore M6000 - Expand your outdoor lifestyle

Featuring a built in gauge and inflating Schrader & Presta up to 120psi

- Rear speeds 12

Like the Pro

Shimano CT-S500 Alfine Spec Chain Tensioner Kids Bike Helmets the R8000 cassette is availableSHIMANO 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