Shimano Altus FD-M310 Front Derailleur 3x7/8s Top Swing hv Slimewalls® provide a smooth ride

Slimewalls® provide a smooth ride and increase durability

Structured UHM C base

Anti-theft skewers

A structured topsheet adds more durability and a nice look to the finished product that will have everyone turning their heads on the slopes

Shimano Altus FD-M310 Front Derailleur 3x7/8s Top Swing hv Slimewalls® provide a smooth rideShimano, Altus FD M310, Front derailleur, 3x7 8sp., Top swing, Dual pull, Multi clamp, For 42 48T Part # 240021 01 Dual SIS front index shifting Max. chainring size: 42T 48T Wide link design Modified cage tail shape for better tire clearance Total capacity: 20T Front difference: 10T For 66 69 chainstays