Wolf Tooth Elliptical Direct Mount Chainring - 34t SRAM Direct Mount Drop-Stop A For SRAM 3-Bolt Boost Cranksets 3mm Offset BLK Model-Pro5 Center Lock Madshus Race Pro Classic Jr

Madshus Race Pro Classic Jr Ski with Xcelerator Junior Classic Binding

The Apex 1 Wide crankset features aluminum crankarms a light and stiff DUB spindle and elegant and secure direct-mount X-SYNC aluminum chainrings for flawless chain management

46 BB/Frame Interface PF30 BB/Frame Interface BBright Press Fit BB Shell Width (mm) 79 Spindle Interface Type SRAM DUB Defined Color Black

the bike gets hit by a football the lock only gives a short warning tone

Fit in the end of any extension with an inner diameter of 19mm-20

Wolf Tooth Elliptical Direct Mount Chainring - 34t SRAM Direct Mount Drop-Stop A For SRAM 3-Bolt Boost Cranksets 3mm Offset BLK Model-Pro5 Center Lock Madshus Race Pro Classic JrDesigned to fit SRAM cranksets with removable spiders. Its proprietary design has an ovality of 10% and a timing of 112 degrees after top dead center which provide the beneifits of an oval ring such as greater rear wheel traction without the traditional downsides of oval rings. Elliptical rings provide smoother more efficient pedal rotation which means better traction Drop Stop chainrings are designed for use with 1x9 1x10 1x11 and 1x12 drivetrains