Featuring a 13-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimisation of the rear derailleur

this derailleur provides fast and efficient shifts and a reduced frontal area to decrease aerodynamic drag

The fabric provides UV protection during sun-exposed workouts

Pas Normal Studios Mechanism Stow Away Jacket: Packable Performance for Every Ride

4240 mechanism pro long sleeve jersey black Size:XXL Featuring a 13-tooth upper pulleyThe Mechanism Pro Long Sleeve Jersey is created to act as a protective layer shielding your arms and torso on colder days as well as offering protection from the sun. A solution to the varying conditions offered in training and racing. From spring through high summer. By using a light fabric from Schoeller with coldblack technology we have crafted a jersey that minimises heat build up, making it usable in a wide range of conditions. Finished in a