JD / TranzX 12mm x 148mm Boost Rear Thru Axle Crank Arm Length_170mm Moderately Slim Throughout Body &

Moderately Slim Throughout Body & Sleeves

Improved stopping performance in wet conditions

giving this model an overall superior strength to weight ratio

Compatible with 31

Number of gears on the left: 2 speed

JD / TranzX 12mm x 148mm Boost Rear Thru Axle Crank Arm Length_170mm Moderately Slim Throughout Body &JD TranzX 12mm x 148mm Boost Rear Thru Axle A precision engineered rear thru axle designed to deliver dependable clamping performance and accurate fitment across modern mountain bike frames. Built around the 12mm platform with an M12 x 1. 5 thread, this axle is suited to a wide range of MTB applications where strength, alignment and reliability are essential. Overall length: 171 or 173mm (select option) Thread length: 13 or 14mm (select option) Thread