SHIMANO Deore XT 6-Bolt Disc Brake Front Mountain Bicycle Hub – HB-M756-L Review Posted: August 10, 2018 Under: Bike Hubs By ChillyBoulder no Comments HB-M756-L DEORE XT FRONT HUB DEORE XT FRONT HUB 6-BOLT DISC BLK HB-M756-L