Shimano BB-MT800 XT Bottom Bracket Press-Fit

SHIMANO DEORE XT - Bottom Bracket - Press-Fit - HOLLOWTECH II - 89.5/92 mm shell width

For SHIMANO 24mm MTB cranks, the SHIMANO DEORE XT bottom bracket uses high quality sealed bearings and is offered in threaded and pressfit options.

- Ride anywhere 11-speed rider tuned gearing
- The power to choose how and where you ride
- Various choices for bike and riding style
- Consistent shifting performance and enhanced chain management
- More durable chainwheel teeth
- Composite chain ring construction:
Steel teeth/Steel CFRP body (1x11, 3x11 Middle)
Aluminum plated teeth/Aluminum CFRP body (2x11 Top)
- Optimal balance of durability and lightweight
- New 3D composite chain ring's teeth composition is optimized for each chainwheel load out with steel driving gear teeth and aluminum support gears
- Aluminum teeth/Aluminum CFRP (3x11 Top) Steel teeth/CFRP (3x11 Middle) Aluminum plated teeth/Aluminum CFRP (2x11 Top) Stainless steel/CFRP (1x11)
- High efficient and precise shifting
- Improved driving rigidity
- 70 degree spider arm with HOLLOWTECH II technology and Dynamic Chain Engagement (1x11-speed)
- Close ratio gear combination for minimum shifting gap and maintaining rhythm
- Single spike structure for robust shifting
- Enhanced chain retention
- Dynamic Chain Engagement (1x11-speed)
- Better sealing and better rotation
- Small ball 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 Chain line 3mm outboard spec available