Shimano Dura-Ace 12 Speed Double Chainset Heart Rate Monitor THIS LIGHTWEIGHT FLYER COMBINES THE

THIS LIGHTWEIGHT FLYER COMBINES THE AGILITY OF A ROAD BIKE WITH THE ADDED CONFIDENCE AND CONTROL OF A FLAT HANDLEBAR SETUP

QSkin yarn: highly wicking with antimicrobial properties

this results in fast

Acting as a psychological stimulant

Set comprises of two pulley wheels and is a genuine Shimano replacement part

Shimano Dura-Ace 12 Speed Double Chainset Heart Rate Monitor THIS LIGHTWEIGHT FLYER COMBINES THEDescription The HollowTech II 12 speed Dura Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racing's elite riders Hollow outer chainring, giving vast improvements in rigidity and increased weight savings The hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high load These industry leading HollowTech II 4 arm