S-WORKS POWER CRANK DUAL trainer which guarantees a secure (threaded)

which guarantees a secure (threaded) connection on both Presta and Shrader valves

Customize your stud tread pattern or replace missing studs

Med for your road bike or comuter

Flash modes could last 4-5 hours continuously on a full charge

These bibs feature a 10" inseam

S-WORKS POWER CRANK DUAL trainer which guarantees a secure (threaded)172. 5mm only. Regardless of your level or experience on the bike, there is no better way to optimize your training and performance than with a power meter. Fortunately,Specialized has combined incredibly light and stiff S Works carbon crank with a dual power meter to create the lightest (440 g 172. 5 mm) and most accurate power meter. The double sided S Works Power Cranks use separate strain gage systems to measure the force generated by each leg