S-WORKS POWER CRANK DUAL trainer The faster you spin the

The faster you spin the harder it gets

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

packing plenty of fun into a bang-for-bike package

Customize your stud tread pattern or replace missing studs

The Park Tool BBT-32 is compatible with bottom brackets with 20 splines and a diameter of 32 mm

S-WORKS POWER CRANK DUAL trainer The faster you spin the172. 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