Skip to main content
Home » absoluteBLACK Chainrings » absoluteBLACK Oval e*thirteen Boost Chainring
absoluteBLACK Oval e*thirteen Boost Chainring

absoluteBLACK Chainrings

absoluteBLACK Oval e*thirteen Boost Chainring

Niel Ubod August 21, 2025

$89.95

Premium oval MTB chainring for your e*thirteen direct mount crankset

Clear selection
Free Shipping over $75

We offer free shipping on orders in the U.S. of $75 or more.

We also ship fast! In stock orders placed before 4 pm PT almost always ship the same day!

Easy Returns

Shop with confidence! We offer a simple, 30-day policy where you can return new, unused items for a refund, exchange or store credit.

absoluteBLACK Oval e*thirteen Boost Chainring

The absoluteBLACK Oval e*thirteen Boost Chainring is a premium oval ring for e*thirteen direct mount cranksets. Made from 7075-T6 aluminum, the chainring is 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!

 

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 e*thirteen TRS, TRS+ and TRS Race Carbon cranks
  • Chain: These chainrings are designed to work with all 9-speed, 10-speed, and 11-speed chains. They also work with 12-speed Eagle and 12-speed KMC chains

Specs

  • Color: Black
  • Interface: e*thirteen Direct Mount
  • Offset: 4 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: 30T - 58 grams | 32T - 62 grams
Reviews

There are no reviews yet.

Be the first to review “absoluteBLACK Oval e*thirteen Boost 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

Q&A

Have a question about this? Ask the staff.

0 Questions

OTHER CUSTOMERS ALSO VIEWED

THIS PRODUCT IS FREQUENTLY BOUGHT WITH

Shopping Cart