Shimano CS-HG51 8-Speed Cassette body-glove soft flexing binding is perfect

soft flexing binding is perfect for your micron to start to fill their memory banks with images of growing up on the slopes

Easy-adjust waist ensures a secure fit

This easy-access pack holds all your goods in two zippered compartments

Fitting perfectly under a hat or helmet

Shimano CS-HG51 8-Speed Cassette body-glove soft flexing binding is perfectShimano, CS HG51, 8sp. cassette, 11 32T, 11 13 15 18 21 24 28 32 Precise and consistent HyperGlide shifting performance. Long leg spacer for further weight reduction. Enlarged sprocket window design for lighter weight. Excellent choice for bikes with "compact" chainwheels (fewer than 48 teeth on the largest) It is generally good practice to replace the chain when you replace the cassette. This cassette will index with any Shimano type 8 speed shifter,