BB-MT800 Press-Fit Bottom Bracket

BB-MT800 Press-Fit Bottom Bracket On Shimano's 24mm MTB cranks, the Shimano DEORE XT bottom bracket uses high-quality sealed bearings and is available in threaded and press-fit options. Key points 11-speed "Rider Tuned" system, to go anywhere The power you need to choose how and where to go Various options depending on the bike and the specialties Uniform shifting performance and optimized chain management Stronger chainring teeth Composite chainring structure: Teeth in steel / steel + CFRP body (1x11, 3x11 Intermed.) Aluminum coated teeth / Aluminum body + CFRP (2x11 Max) Excellent balance between lightness and strength The composition of the new 3D composite crown is optimized for specific loads with teeth in steel and aluminum Teeth in aluminum / Aluminum + CFRP (3x11 Max) Teeth in steel / CFRP (3x11 Medium) Teeth coated in Aluminum / Aluminum + CFRP (2x11 Max) Stainless steel / CFRP (1x11) Precise and highly efficient shifting Rigidity 70 degree Spider arm optimized drivetrain with HOLLOWTECH II technology and dynamic chain lock (1x11-v) Close ratio combinations to minimize shifting gap and maintain pace Single spike structure for more decisive shifting Greater chain retention capacity Dynamic chain coupling (1x11-speed) Optimized seals and rotation center with small bearings Combination toothing: FC-M8000-3: 40-30-22D FC-M8000-2: 38-28D, 36-26D, 34-24D FC-M8000-1: 30D, 32D, 34D Chain line 3 mm avail. specific outboard positioning