Skip to main content

absoluteBLACK Oval 1x 104 BCD MTB Chainring

Power Meter City July 12, 2024


Premium oval MTB chainring with scientifically proven performance gains

Clear selection

absoluteBLACK Oval 1x 104 BCD MTB Chainring

The absoluteBLACK Oval 1x 104 BCD MTB Chainring is designed for any 104 BCD MTB crank that uses 104 BCD mounting interface. 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.


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


  • Crankset: Compatible with any 104 BCD crankset
  • Chain: Compatible with 10-, and 11-speed chains. Also compatible with 12-speed SRAM Eagle and 12-speed KMC chains (not compatible with Shimano 12-speed Hyperglide+ chains)

The 30T chainring does not fit power2max, Sigeyi and Quarq power meters.


  • Colors: Black | Red
  • BCD: 104
  • Chainline: 30T - 48 mm | 32T - 48.5 mm | 34T, 36T - 50 mm
  • 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: 30T - 36 grams | 32T - 41 grams | 34T - 44 grams | 36T - 53 grams

Chainring Bolts


There are no reviews yet.

Be the first to review “absoluteBLACK Oval 1x 104 BCD MTB Chainring”

The maximum upload file size: 5 MB. You can upload: image, audio, video, document, spreadsheet, interactive, text, archive, code, other. Links to YouTube, Facebook, Twitter and other services inserted in the comment text will be automatically embedded. Drop file here



Shopping Cart