XX1 Rear Derailleur tights No push or pull is

No push or pull is required to open and close the Heart ValveTM

Fabric Content: 85% drirelease Polyester

your hands are bound to take a beating

and elasticated cuffs ensure a secure fit no matter how hard you push

On top of all that

XX1 Rear Derailleur tights No push or pull isProfessional grade derailleur built with carbon fiber and aluminum, featuring roller clutch pulley cage and cage lock feature for easy wheel installation. Wide tooth, narrow tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly X Horizon design maintains constant chain gap across all gears and eliminates ghost shifting Roller bearing clutch eliminates derailleur bounce and chain slap Cage Lock feature simplifies