Shimano Deore XT 104.5/107.0 BB-MT800 Press-Fit Bottom Bracket

Shimano Deore XT 104.5/107.0 BB-MT800 Press-Fit Bottom Bracket

For SHIMANO 24mm MTB cranksets, the SHIMANO DEORE XT bottom bracket uses high-quality sealed bearings and is available in threaded and Press-Fit versions.

Characteristics

• 11-speed gear adapted to the cyclist
• The power of choosing how and where to go
• Different bike options and riding styles
• Constantly changing performance and better chain management
• Longer lasting chainring teeth
• Composite chainring construction Steel teeth/Steel + CFRP body (1x11, 3x11 intermediate)
• Plated aluminum teeth/Aluminum + CFRP body (2x11 top)
• Optimal balance between durability and lightness
• The new 3D composite composition of the chainring teeth is optimized for all chainring loads with steel drive gear toothing and aluminum support gears
• Aluminum/Aluminum+CFRP Teeth (3x11 upper) Steel/CFRP Teeth (3x11 intermediate) Plated Aluminum/Aluminum+CFRP Teeth (2x11 upper) Stainless Steel/CFRP (1x11)
• High efficiency and precision shifting
• Increased driving rigidity
• 70 degree spider arm with HOLLOWTECH II technology and dynamic chain gearing (1x11-speed)
• Tighter gear combination for minimum shift interval and pace
• Simple tine structure for robust shifting
• Improved chain retention
• Dynamic chain gear (1x11 speed)
• Better sealing and better rotation
• Small ball bearing bottom bracket
• Gear Combination: FC-M8000-3: 40-30-22T FC-M8000-2: 38-28T, 36-26T, 34-24T FC-M8000-1: 30T, 32T, 34T External chainline specification available 3mm