ethirteen Helix Race Alloy espec Cranks for ISIS Spindle - 160mm, 26mm Offset, Black S3-Size-250ml - Tear resistance for the

- Tear resistance for the maximum mechanical grip on dry and wet surfaces together with the maximum resistance against punctures

NEW Lighter compression tunes let you dial in the perfect balance between efficiency and descending capability for your bike

High turbolent flow valves: no risk of cavitation

They also won't rust into a ugly brown color after a season in a saddle bag

XX Eagle Transmission derailleur

ethirteen Helix Race Alloy espec Cranks for ISIS Spindle - 160mm, 26mm Offset, Black S3-Size-250ml - Tear resistance for theThe ethirteen Helix Race Alloy espec Cranks are a premium, high strength alternative to carbon fiber, engineered specifically for high torque ISIS spindle e bike motors. Forged and precision CNC sculpted from 6066 T6 aluminum, these short profile 160mm crank arms drastically reduce pedal strikes on low BB trail geometries. Featuring a 26. 5mm offset for a balanced Q factor, integrated alloy self extractors, and impact absorbing crank boots, they