microSHIFT Advent MX H-Series Cassette - 11-Speed 11-50t ED BLK For HG Driver MFPN=RMHAZDHAX Fully ventilated rear mesh for

Fully ventilated rear mesh for maximum cooling

Designed with a wider braking surface to make them more compatible with other brakes

Thermo formed heel counter: Thermo-formed reinforcement for more stability and comfort

The other side of the handle has a 4mm opening for double-sided hex bits that nest on the inside of the handle via magnet

microSHIFT Advent MX H-Series Cassette - 11-Speed 11-50t ED BLK For HG Driver MFPN=RMHAZDHAX Fully ventilated rear mesh forThe Advent MX H Series cassette is the smoothest shifting most durable cassette that microSHIFT has ever made. That all starts with SpeedRamp a series of discrete shifting ramps that move the chain quickly quietly and precisely under load. With separate ramps for moving the chain up and down the cassette Advent MX delivers fast quiet shifts so you can concentrate on enjoying the ride. Range 11 50 Cogs 11 13 15 18 21 24 28 32 36 42 50 Cassette Body