• Shimano Ultegra Triple Front Mech 10sp 6603

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Shimano Ultegra Triple Front Mech 10sp 6603

The wide pivot link design boosts strength and rigidity. Flex is suppressed, creating sharp, precise shifts that are faster and smoother, even from low to high gears off of the saddle.


  • Wide link design:20% increased rigidity.
  • Pivot locations for less cage deflection:Pivot location at cage was moved to point of maximum force to reduce cage deflection.
  • Narrower chain cage:Narrower chain cage to accommodate 10-speed chain.
  • SG-X chainrings compatibility
  • Light action spring
  • DUAL SIS front index shifting


  • Rear speeds: 10-speed
  • DUAL SIS: Yes
  • Top Gear Teeth: 50-56T
  • Capacity: 15T
  • Link Bushing: lower/A-pin
  • O-ring Seals: No.
  • Spring Cover: Yes
  • Chain Stay Angle: 61-66 deg.
  • Mounting: band
  • Applicable Chainline: 43.5mm
  • Band Diameter: 28.6/31.8/34.9mm
  • Band/Brazed-on Clamp: aluminum/clear coated
  • Outer Link: aluminum/clear coated
  • Inner Link: aluminum/clear coated
  • Chain Guide: steel/pearl bright finish
  • Weight: 127g

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.

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