Mountain bike cog-Shimano Cassette Sprocket 8 speed CS-HG51-8 Alivio

Teeth 11-28T 11-30T 11-32T
Qty:
SHIMANO 8-Speed Road Cassette Sprocket
CS-HG51-8
SHIMANO ALIVIO - 8-Speed - HYPERGLIDE - Road Cassette Sprocket 

HG sprockets 
Guide the chain quickly and directly to the next sprocket without override

Gear combination: 11-28T, 11-30T, 11-32T