ethirteen Helix Race Direct Mount Chainring

Features

• AL-7075-T6 construction is durable and lightweight
• Updated M4 narrow-wide tooth profile improves retention, reduces chain noise and decreases system wear
• Direct mount interface is compatible with Helix R Direct Mount, Helix, TRS, LG1 and XCX Direct Mount cranks (cranks not included)
• Cross-compatible with SRAM and Shimano 11- and 12-speed chains (chain not included)
• Convenient flip-flop design is compatible with both Boost and Super Boost chainlines (52/55 mm)

Imported.

View all ethirteen Bike Chainrings

Technical Specs

Best Use

Chainring Mount

Chainring Shape

Bolt Circle Diameter

Number of Teeth

Material(s)

Weight

Mountain Biking

Direct Mount

Round

Unavailable millimeters

28 T: 28T 30 T: 30T 32 T: 32T

AL-7075-T6 aluminum alloy

28 T: 48 grams 30 T: 50 grams 32 T: 52 grams