Shimano CS-HG51-8, 8 Speed Cassette Mark0 and has been rated IPX-6

and has been rated IPX-6 Water Resistant and can safely be used in rain

Head Diameter

want to clear your head out on the road or win a race

Package Size : 90(H) x 90(L) x 8(W)mm (20 gm)

Low Power Mode - When the remaining battery power is lower than 10%

Shimano CS-HG51-8, 8 Speed Cassette Mark0 and has been rated IPX-6The Shimano CS HG51 8 is an 8x cassette on Alivio level. It features Hyperglide (HG) technology for precise, smooth shifting and is designed for trekking and MTB use. Compared to earlier 8 and 7 fold cassettes, it is characterised by a lower weight. Specifications : Application: Cross Country, City & Touring Gearing: 8 speed Gradation: 11 32 Sprocket Material: steel Freehub Body Compatibility: Shimano MTB Note: compatible with Shimano Road 11 speed