Shimano xt cs m8000 11 speed 11 42t cassette July 8, 2019 16 32 64 128 Shimano deore xt cs m8000 cassette 11 speed 11 42t Shimano deore xt cs m8000 cassette 11 speed 11 42t gray Shimano cassette 11 speed Shimano deore xt cs-m8000 11 speed 11-42 cassette Shimano xt m8000 11 speed 11-42t mtb cassette