ROTOR 山地 Q齒環 - BCD76x4 - X1 - 黑色

$400.00 - $800.00

$800.00 $400.00
商品描述

Q-RINGS QX1 76BCD

QX1's subtle but efficient 12.5% ovality?can be oriented around the most productive part of your pedal stroke to give you better traction on climbs and quicker acceleration when clearing sharp curves. QX1 offers?3 Optimum Chainring Positions (OCP), which were carefully designed to optimize your downstroke and save energy so that you can outkick, outsprint and generally outlast the rider you used to be.

SHORT DESCRIPTION

Weight:
50g per 28t

Sizes:
28t, 30t, 32t, 34t, 36t, 38t

Characteristics:

  • - Alternating wide/narrow single ring tooth profile 12.5% ovality
  • - 100% CNC-machined, 7075-T6 aluminum alloy
  • - Aero design and reinforced rigidity
  • - 3 OCP points (2-3-4)
  • - Designed to work with all 9, 10, 11 and 12 speed groupsets
  • - Compatible spiders are available for ROTOR, SRAM, Specialized and Cannondale F-Si Ai crankset