Shimano XT CS-M8100 Cassette - 12-Speed 10-45t Silver/Black Micro Spline CheckoutTitle=Kids Ride Shotgun Dirt Hero Headset Headset NOTE: Intended for tubeless bicycle

NOTE: Intended for tubeless bicycle tires using sealant only

Steps between gears are optimized to give an even spread between shifts reducing the need for double-shifting to find the right gear

(not pictured)

Motion-sensing auto revert-to-transmit mode (AR)

Separate gusset panels between fingers for a contoured fit

Shimano XT CS-M8100 Cassette - 12-Speed 10-45t Silver/Black Micro Spline CheckoutTitle=Kids Ride Shotgun Dirt Hero Headset Headset NOTE: Intended for tubeless bicycleThe Shimano Deore XT CS M8100 12 speed cassette is optimized with rider tuned wide range and close step gear combinations for MTB excellence. Shift ramp designs provide fast and smooth shifts by HYPERGLIDE+ technology Light and stiff construction reduces cassette inertia resulting in faster acceleration and increased chain security Designed with a Shimano Micro Spline body that features smaller and more widely distributed splines to limit cog damage