With a bold look and excellent coverage

The cranks arms are made from forged Alloy

Dirt Jumping

The finer details of the materials are as follows: 45% Neoprene

Balanced ratio of puncture protection and smooth-rolling

Crank Brothers Synthesis AL XCT XC Trail I9 Rear Wheel - Shimano HG Splined - Black - 12x148mm Boost - 6 Bolt - Rear - 29 Inch PDP|PLP|Brake Rotor Type With a bold look andPrecise Handling At Full Speed. Wheels sold individually not in sets. Tuned Front and Rear Alloy Wheel System for XC riding and racing. Front and rear specific wheels tuned and optimized to address the specific performance requirements and loads of mountain bike riding. Compliant tuned front wheel improves handling and maximizes grip and control in turns. Wider inner rim width supports wider tire profile in front, increased volume and contact patch,