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2016 NEW SHIMANO BR BL M315 Hydraulic Disc Brake MTB Mountain Bike Calipers Left & Right Lever|Bicycle Brake| - AliExpress
Shimano BR-M315 Brake Caliper Postmount And 100cm Line for B01S Pad - New | eBay
Amazon.com : Best Tek Bike Brake Pads, Disc Brake Pads for Shimano M315 M355 M515 M525 C501 C601 M375 M395 M415 M416 M446 M465 M475 M485 M486 and Replacement Other Same Desgin
Amazon.com: SHIMANO 2-Speed Rapidfire Plus Mountain Bike Shifter - SL-M315-L - Left Pod - ESLM3152LB : Sports & Outdoors
Shimano Altus SL-M315-8R 8-Speed Shifter – The Bikesmiths