SHIMANO BB-MT800-PA XT PRESS-FIT BOTTOM BRACKET

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 (1×11, 3×11 Middle)
    Aluminum plated teeth/Aluminum+CFRP body (2×11 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 (3×11 Top) Steel teeth/CFRP (3×11 Middle) Aluminum plated teeth/Aluminum+CFRP (2×11 Top) Stainless steel/CFRP (1×11)
• High efficient and precise shifting
  • Improved driving rigidity
  • 70 degree spider arm with HOLLOWTECH II technology and Dynamic Chain Engagement (1×11-speed)
  • Close ratio gear combination for minimum shifting gap and maintaining rhythm
  • Single spike structure for robust shifting
  • Enhanced chain retention
  • Dynamic Chain Engagement (1×11-speed)
  • Better sealing and better rotation
  • Small ball Bottom Bracket

PRODUCT SPECIFICATIONS