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ROTOR 山地 Q齒環 - BCD64x4 - 內齒環 - X2 - 黑色

$690.00 $345.00

商品描述

Q-RINGS QX2 64BCD

??Shred????you don´t usually take advice from the office recycling bin but your favorite trail begs to be ridden so you obey. QX2 chainrings for your double 104/64BCD cranks feature subtle 10% ovality that can be dialed in to take advantage of the most-powerful part of your pedal stroke to give you faster acceleration and better traction on whatever terrain you thrust under your wheels. QX2 offers?3 Optimum Chainring Positions (OCP), which can be adjusted to take?advantage of your pedal stroke's most-productive zone to propel you forward on each rotation.

SHORT DESCRIPTION

Weight:
110g per set 40/27, 95g per set 38/25

Sizes:
Outer - 40, 38t
Inner - 27, 25t

Characteristics:

  • - 100% CNC-machined, 7075-T6 aluminum alloy
  • - Aero design and reinforced rigidity
  • - Steel shifting pins
  • - 3 OCP points (2-3-4)
  • - Designed to work with all 9, 10 and 11 speed groupsets