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    • Shimano Ultegra 6650 Compact 10sp Chainset

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Shimano Ultegra 10sp Double Chainset 6650-S

Ultegra SL HollowTech II chainset offers a fine balance of light weight and rigidity with incredible shifting performance


  • HollowTech II allows the bottom bracket bearings to be spaced wider apart (outboard the frame) enabling the use of larger bearings and an increased axle diameter
  • There is also the benefit of easier installation , adjustment and maintenance
  • Lightweight and rigid steel bottom bracket axle
  • SG-X aluminium anodized chainrings available in 53-39T / 52-39T (FC-6600 double), 52-39-30T (FC-6603 triple) and 50-34T (FC-6650 compact)
  • Aluminium chainring bolts
  • Weight: 797g (53 / 39T, 170 mm including bottom bracket)

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.

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