• Shimano XT M770 Triple 9 Speed Chainset

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Shimano XT M770 Triple 9 Speed Chainset

A high performance chainset from the classic ATB group, offering the most advanced features. Ride Shimano and enjoy the benefits of their no-compromise attitude. Shimano use the best materials for unrivalled performance.

Please note, external Hollowtech II Bottom Bracket is included.


  • Forged HollowTech II aluminium cranks offer unrivalled strength-to-weight ratio
  • Lightweight construction with external super smooth bottom bracket bearings for efficient use
  • Drilled steel and carbon composite construction middle ring combined with a thicker aluminium double anodized 44 tooth, and plated aluminium 22 tooth ring for excellent rigidity and durability
  • SG-X chainrings deliver a smooth precise shift and are Hyperdrive compatible
  • Stiffness and strength increased with advanced design due to wider spaced bearings and oversized axle
  • 44/32/22 tooth 9-speed chainrings
  • We recommend that this bottom bracket is initially installed by a bike shop to ensure perfect bottom bracket facing and fit
  • Comes complete with bottom bracket for 68 and 73mm frames


  • Series: Deore XT
  • Crank Construction: Hollowtech II
  • Cassette Compatibility: 9-speed
  • Chain Compatibility: Super Narrow HG for 9-speed
  • 4-Arm Chainrings: yes
  • Chainring Sizes: 44-32-22T
  • Bolt Circle Diameter: 104/64mm
  • Crank Arms: forged aluminum/hollow type
  • Outer Chainring: aluminum
  • Middle Chainring: steel + composite
  • Inner Chainring: aluminum
  • Chainring Bolts & Nuts: aluminum (bolt), steel (nut)
  • Chain Guard: no
  • Chaincase Compatible: no
  • Bottom Bracket: included
  • E-type FD Compatible: yes
  • Chain Line: 50mm
  • BB Shell Width: 68/73mm
  • Average Weight: 853g including BB

A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).

Buy Shimano Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.

  • Delivery costFREE
  • Delivery toUSA
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.

    More information on returns
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Buying Guide

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