Shimano, 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¡ã chainstays
