SIDI Ergo 6 Road Shoes - Dark Gray 42.5 CheckoutSpec= 11.4018.010.143 P Zero SmarTube is the

P Zero SmarTube is the ultimate evolution for road cyclists that are still using the standard clincher setup and want to improve the performance of their bikes as well as those who are looking for a light and compact spare tube for tubeless-ready tires

Increases chain durability and efficiency

EXO equipped models feature Maxxis` EXO sidewall protection which helps prevent puncture from sidewall abrasions

Tanpan - allows Shimano mountain bike rear derailleurs to be used with Shimano road shifters

Zipp Rear Axle Conversion Kits

SIDI Ergo 6 Road Shoes - Dark Gray 42.5 CheckoutSpec= 11.4018.010.143 P Zero SmarTube is theSIDI Ergo 6 featuring Firmor lateral technology the foot is stabilized even during the most intense performances delivering a feeling of total control. The shoes are engineered to adapt to the foot with its UNUN ergonomic shape upper for a premium comfort feeling. Weighing just 2981 grams with 1. 2 mm high tech engineered microfiber Ergo 6 is there to last over time. Full Carbon sole stiffness 11 it features an increased range of cleat adaptability