JD / TranzX 12mm x 148mm Boost Rear Thru Axle Crank Arm Length_170mm SYMPHOMATIC (when using Di2 hub)

SYMPHOMATIC (when using Di2 hub)

NFPA 1983 Technical Use

and a refined ride feel

giving this model an overall superior strength to weight ratio

The comfort is the same

JD / TranzX 12mm x 148mm Boost Rear Thru Axle Crank Arm Length_170mm SYMPHOMATIC (when using Di2 hub)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