Minimal flex and low weight.
A chainset with a slim body line and super smooth rotation combined with superior shifting performance to power you effortlessly along.
Key Features:
- HollowTech II technology removes excess material while retaining maximum stiffness.
- Hollow forged, aluminium arms keep weight low.
- Anodised chainrings with 5 shifting pins.
- Chainring design improves pick-up and shifting performance.
- Designed for use with the CN-5701 directional chain.
- Compatible with 7900 Dura Ace and 6700 Ultegra systems.
- 53-39T chainrings.
- Isn't supplied with a bottom bracket.
- Weight: 777g (170mm - PBK Office scales).
- Available in black or silver finish.
- Please note: Image for illustration purposes only. 'SHIMANO 53-B' is etched onto the outer chain ring. This is small discrete white lettering for the black option and in black for the silver option.
