Crank Brothers Synthesis Enduro Alloy Boost 27.5" MTB Wheel - Rear Size:12x148mm Thru Axle - Shimano Micro Spline outer chain guard: aluminum

outer chain guard: aluminum

How does that work

Fits all SRAM road braze-on front derailleurs

Bikes are designed for riders 13 years old and up

SPEEDS: 12

Crank Brothers Synthesis Enduro Alloy Boost 27.5" MTB Wheel - Rear Size:12x148mm Thru Axle - Shimano Micro Spline outer chain guard: aluminumCrank Brothers Synthesis Enduro Alloy 27. 5" Boost Rear Wheel Wheels sold individually not in sets. Tuned Front and Rear Alloy Wheel System for enduro 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,