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absoluteBLACK Oval Boost PVD Rainbow Chainring for Race Face

absoluteBLACK Chainrings

absoluteBLACK Oval Boost PVD Rainbow Chainring for Race Face

Power Meter City August 18, 2025

$109.95

An incredibly beautiful chainring for Race Face direct mount boost cranksets

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absoluteBLACK Oval Boost PVD Rainbow Chainring for Race Face

The absoluteBLACK Oval Boost PVD Rainbow Chainring for Race Face is the most amazing looking chainring we carry! Using a special titanium coating process, the chainring is very durable and incredibly beautiful. Compatible with Race Face CINCH direct mount Boost cranksets and made from 7075-T6 aluminum, the chainring is also lightweight and stiff. Featuring a narrow-wide teeth profile and one of a kind special oval shape, this ring will make you ride faster while also increasing traction.

Please note: Due to the nature of PVD process, every chainring is unique and color may vary. Not a single chainring is the same which makes your new ring completely individual.

 

Advantages to aB Oval MTB Chainrings

  • Excellent weight to strength ratio
  • One of a kind special oval shape
  • Greatly improves traction and climbing abilities
  • Unique Patent Pending narrow-wide teeth profiles to keep your chain in place for minimum 12 months!
  • Special 3D teeth machining for ultimate mud relief, decreased wear and noise
  • Superb quality and great look
  • Reduces stress on the knees

Compatibility

  • Crankset: Compatible with Race Face CINCH direct mount Boost cranksets
  • Chain: These chainrings are designed to work with all 10-speed, and 11-speed chains. They also work with 12-speed Eagle and 12-speed KMC chains

Specs

  • Color: PVD Rainbow
  • Interface: Race Face Direct Mount
  • Offset: 3 mm
  • Chainline: 52 mm Boost
  • Ovality: Optimized to each size. Range of 10.2-14.4%
  • Timing: Optimized to each size. Range of 110.5-116.3° after TDC (top dead center)
  • Material: CNC machined 7075 aluminum
  • Weight: 28T - 54 grams | 30T - 58 grams | 32T - 62 grams | 34T - 69 grams
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