Shimano Altus M315 3x7/8 Speed Groupset With M315 Shifters And M310 Front (top Swing)/ Rear Derailleur Original Parts - Bicycle Derailleur - AliExpress
2016 NEW SHIMANO BR BL M315 Hydraulic Disc Brake MTB Mountain Bike Calipers Left & Right Lever|Bicycle Brake| - AliExpress
BL-M315 | SHIMANO BIKE-US
Shimano M315 MTB Hydraulic Disk Brake Set - SportTide
Shimano BR-M315 Brake Caliper Postmount And 100cm Line for B01S Pad - New | eBay