AbsoluteBlack
AbsoluteBlack

Absolute Black Road Shimano 9100/8000 Oval Chainring

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Item #: CG177A02
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Absolute Black Premium 2X Oval Chainring

The Absolute Black Premium 2X Oval Chainring is one of the finest oval chain-rings on the market, providing you with smooth shifting and smoothness of pedaling and manufacturing quality. These in are specifically designed for Shimano, 9100/8000 cranks, but can be retrofitted to fit 9000 and 6800 cranks. They’re also made from CNC machined 7075 Txxx Aluminum, making them light weight, strong and durable.

Specs

  • Size (Mass +/-1g): 34T (31g), 36T (37g), 38T (41g), 39T (42g), 50T (120g), 52T (137g), 53T(139g)
  • Color: Black, Grey, Champagne (inner ring in black only)
  • Compatibility: Shimano Dura-Ace 9100, R9120, R9150 & R9170 Di2 and Ultegra 8000, R8020, R8050 & 8070 Di2. They can also retrofit all 9000 and 6800 series cranks but use bolt covers for best appearance. 10 / 11 / 12spd compatible.
  • BOLTS: For Outer chainring please order "Long bolts" from us OR Bolt Covers
  • Material & Finish: cnc machined 7075 Txxx Aluminum. Long-lasting construction. Type II anodizing
  • Ovality: Optimized to each size separately. 34T- 6.5% ; 36T, 38T, 39T- 11.4%, 50/52/53T - 10-11.2% ; Timing of 108 -110.5° after TDC (top dead center) - Ideal for road climbing. Patent Pending

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CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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