Shimano FC-9200 Dura Ace Crankset 2x12 Speed Chainring Size:52/36 SPEEDROLL Technology encourages a smoother

SPEEDROLL Technology encourages a smoother and easier run by helping you roll from heel to toe with less effort so can run faster

This improved elastic core retains its elasticity far better over time and provides more durable support than cotton kinesiology tape

Peter (Co-Founder & Materials Scientist)

It also offers the ability to alter the hand grip position by 20mm

our Competition last features a more curved profile than the Sport last

Shimano FC-9200 Dura Ace Crankset 2x12 Speed Chainring Size:52/36 SPEEDROLL Technology encourages a smootherThe DURA ACE FC R9200 crank performs two vital functions: transferring your pedaling effort into the drivetrain and ensuring the fastest, most precise front shifting available. With HOLLOWTECH II crank arms to ensure light weight and Shimano's class leading chainring designs, the FC R9200 won't let you down.