NEW 110 BCD  Single Inner Chainring  Fits: Shimano for 9100

NEW 110 BCD Single Inner Chainring Fits: Shimano for 9100

Your Price: $129.99
In Stock
Part Number:FC-R9100S

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(110 mm BCD)


 2017 SHIMANO FC-R9100 CRANKSET COMPATIBLE

Benefits:

  • Up to 10% More Power
  • Up to 3 % More Speed
  • Up to 12% Less Lactic Acid Build UP!
Features:
  • Patented Design to Enhance Pedal Stroke Efficiency
  • Black Anodized 70/73 Aluminum Alloy hardend to T5
  • UCI Legal
 2017 SHIMANO FC-R9100 CRANKSET COMPATIBLE

Scientifically proven technology that enables athletes to ride harder, longer and faster with less fatigue.  By increasing the size of the gear when you push the hardest (downward stroke) and then decreasing the size of the gear to get through top and bottom dead zones quickly.  This patented curve enables the force on the pedals to be constantly proportional to the muscular force of the rider.

These new 2017 rings are only compatible with Shimano RC9100 crank arms and are also tuned for optimum shifting with a corresponding small chainring.  The 52 tooth ring is designed to only accept the 38 tooth small ring while the 50 tooth large ring is designed to perform with the 36 or 34 tooth small ring.

The chain rings varying diameter alters the effective gear ratio though out the pedal stroke, producing a higher gear on the downstroke when the rider has more power and then reducing the gear on the upstroke.  The validation factor is extreme, a 38 tooth ring equates to pushing a 42 tooth on the down stroke and a mere 36 tooth at the “dead spot” this translates to up to a 10% increase in power output which can result in up to a 3% increase in speed!

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