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    • Shimano SLX M665 Double Chainset

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Shimano SLX M665 Double Chainset

All-mountain SLX HollowTech II chainset is tough and aggressive yet also lightweight and excellent value


  • The HollowTech II Chainset features hollow forged crank arms which are both lightweight and rigid whilst being incredibly strong and durable
  • HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability
  • Double version comes with a honeycomb style bash guard which has been developed to absorb impacts
  • Triple version comes with a drilled steel and carbon composite construction middle ring for excellent rigidity and durability
  • Mega9 HG chainrings for optimum shifting performance
  • SG-X chainring with patented spike pins give smooth and fast gear shifts under load
  • We recommend that the bottom bracket is initially installed by a bike shop to ensure perfect facing and fit
  • Two tone anodized finish for long lasting good looks
  • Double with bash guard: 36/22 tooth
  • Comes complete with bottom bracket for 68 and 73 mm frames

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
  • Delivers toUnited States of America
  • 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 fitted.

    More information on returns
  • Pay by Bank Transfer, PayPal or Card


Buying Guide

  • We've got everything you need to know in our buying guide.