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ROTOR INPOWER REX2.1 山地 功率計曲柄 X1 (送 Rotor Q-Rings橢圓盤片)

$6,350.00 $4,445.00

170 - BCD76X4 - 32T
商品描述

INPOWER REX 2.1

Your mtb is more than just an accessory to your lifestyle; it's your tool for training. Discover where you push hardest in your pedal stroke, despite varying terrain How you transfer power off-road will vary as much from the way you ride as to where you ride. The INpower REX 2.1 single chainring 1x cranks place power meter technology inside the crank axle where is protected it from loose rocks and other shocks, crashes, and outside contaminants like mud, sand, and clay. If you know your Optimum Chainring Angle, which you can find with INpower's TORQUE 360 and OCA pedal analysis, you can dial in your oval QX1 rings to your advantage. Forged and CNC-machined in Spain from 7075 aluminum alloy, INpower REX 2.1 for MTB features unprecedented data sampling technology, which takes into account abrupt changes in terrain like jumps and drops to accurately measure your power output.

SHORT DESCRIPTION

Characteristics:

  • - Spider: 76 BCD
  • - Sizes: 170/172.5/175mm
  • - Battery specifications: AA 1.5 V
  • - Estimated battery life: 300 hours riding time
  • - Water resistance: IPX7
  • - Strain gauges: 4 gauges in the axle
  • - Wireless technology: ANT+™ 2.4 Ghz
  • - Weight without batteries: 566g
  • - Data transmitted: power, cadence, TORQUE 360, OCA, torque effectiveness (left side), pedal smoothness (left side)
  • - Head unit: ANT+™ compatible head units http://www.thisisant.com/directory
  • - Analysis Software: Trainingpeaks.com/ROTOR
  • - Crank Software: ROTOR INpower User Software
  • - Q-Factor: 163 mm
  • - Chainline: 50.6 mm
  • - Material: 7075-T6 forged and CNC-machined aluminum alloy
  • - Compatibility: bottom brackets BSA, BB89, BB92, BB30, PF30, BBRight, Cannondale F-Si Ai (spider sold separately), oval and round chainrings,76BCD, 9,10 and 11 speed

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