Race Face Arc 25 Offset Rim Smith Optics Complies with SRAM warranty standards

Complies with SRAM warranty standards for compatibility with all SRAM X-SYNC drivetrain

The ends of your alloy cranks can take a lot of abuse as the trail rushes underneath you and your bike

Ramped and siped center tread blocks provide strong traction and accurate steering

DMR started with an internally tapered single-lock core grip and wrapped Brendan's design around it in super-soft Kraton compound

Inner bearing type - Igus LL-glide bearing

Race Face Arc 25 Offset Rim Smith Optics Complies with SRAM warranty standardsNo, You're Out Of Line We found that by offsetting the nipple bed on these rims, we can optimize spoke tension and make the ARC wheels stiffer and stronger. Minds are blown. No Tubes, No Problem ARC Offset rims feature a tubeless ready design, with a rim bead you can trust to hold your tire in place no matter what. Well Rounded We tapped into our collective know how to make this rim stronger, and better balanced than anything else on the mountain.