SRAM Avid Brake Caliper Piston Kit - 2 x 15mm 2 x 16mm Pistons Seals O-Rings - SRAM Code R B1-RSC A1 YGroup_7033443188781 the X5 rear derailleur provides

the X5 rear derailleur provides incredible shifting speed and precision

For increased comfort

you'll never struggle to find your valve core remover in your saddlebag or tool kit again

two webbing cinch straps to secure 2 bikes

Pros: Will help keep your wheels safe while travelling

SRAM Avid Brake Caliper Piston Kit - 2 x 15mm 2 x 16mm Pistons Seals O-Rings - SRAM Code R B1-RSC A1 YGroup_7033443188781 the X5 rear derailleur providesAre your SRAM of Avid Brakes feeling like they might need a freshen up? Pistons sticking? This is what you need! These are all genuine Avid or Sram Piston Kits. They include all necessary seals and o rings as per the pictures. SRAM PART # NAME BARCODE 11. 5018. 020. 000 DB5 2 x 21mm Pistons, Seals, O Rings 710845757976 11. 5018. 020. 006 Guide R, RS, RSC, T (A1 B1) 2 x 14mm, 2 x 16mm Pistons, Seals, O Rings 710845787126 11. 5018. 020. 002 Guide