e*thirteen Helix R Chainring - 30t 11/12-Speed 3mm Offset SRAM 3-Bolt DM Black. The e*thirteen Helix R 3-Bolt Direct Mount Chainrings engineered for SRAM 3-Bolt crank systems merge aesthetics with robust durability. e*thirteens narrow-wide tooth profile ensures compatibility with Shimano and SRAM 11 and 12-speed drivetrains. Manufactured from AL-7075-T6 aerospace-grade aluminum the rings are CNC sculpted to provide low weights. Elevate your 3-Bolt Cranks diversify drivetrains reduce weight and bring a new aesthetic to your bike with the Helix R 3-Bolt Chainrings.
3mm Offset 3-Bolt Direct Mount design for use with SRAM™ 3-bolt direct mount compatible cranks
M4 narrow-wide tooth profile provides Shimano and SRAM 11/12-speed chain compatibility excellent chain retention and reduced wear
Forged from premium 7075- T7 aluminum then extensively CNC optimized for industry leading weights and a unique high-end full CNC aesthetic
Durable 7075-T6 construction for long wear-life stiffness and strength
TECH SPECS
Tooth Count 30Drivetrain Speeds 11Drivetrain Speeds 12Round or Oval RoundOffset 3Material AluminumColor BlackWeight 43Defined Color BlackDirect Mount Type Direct Mount SRAM 3-Bolt
QUALITY SERVICE
Just real riders who strive to provide the best customer service.
FREE SHIPPING
Most orders over $75 ship free anywhere within the lower 48 United States
RETURNS
Not happy with your order, just send it back to us for a refund or exchange.
Our Race Team Sponsors
Also Supported By
Our Race Team Sponsors
Also Supported By
Race Team
Racing is a huge part of the culture at Lenny’s Bike Shop, and the Lenny’s Race Team represents the shop on trails and racecourses throughout the region. Made up of passionate riders who love pushing their limits, the team competes in gravity and mountain bike events while proudly representing the Lenny’s community.
Why Shop with Lenny's?
At Lenny’s Bike Shop, cycling isn’t just a business — it’s a passion. As a locally owned, full-service bike shop, Lenny’s is dedicated to helping riders of every level enjoy the sport with the right bikes, gear, and expert support.
From high-quality bicycles and components to trusted service and advice, the team focuses on delivering products and support that help you ride more and ride better.
Whether you’re upgrading your bike, tuning up your ride, or just getting started, you’ll find knowledgeable staff, great brands, and a commitment to keeping the cycling community rolling.