The Dura-Ace R9100 front mech has been redesigned to be smaller, more efficient and to provide faster and crisper shifting. The internal toggle mechanism provides greater clearance for larger tyres and it now features a built in cable tension adjustment bolt meaning there is no need for inline barrel adjusters.
- Top Gear Teeth: 46-55T.
- Chain Stay Angle: 61-66.
- Chain Line: 43.5.
- Lighter and intuitive shifting operation.
- Natural front shift lever stroke.
- More ergonomic power curve.
- Precise & easy front derailleur set up.
- More cable routing options.
- Integrated cable tension adjustment.
- New link (Toggle) construction means there is no need for TL-FD90 and turning converter assembling.
- Adjustable cable tension on the front derailleur.
- Adapted for race specific frame design.
- Available wider front gear pitch.
- Shorter length of rear centre with O.L.D.135mm.
- Weight: 69g.
- Braze On.
