SRAM Rival Crankset - 172.5mm 12-Speed 48/35t 8-Bolt Direct Mount DUB Spindle BLK E1 ModelNumber=MTOPEAK30 }SRAM Rival 2x Chainring Kit

}SRAM Rival 2x Chainring Kit - 48/35t 2x12-Speed 8-Bolt Direct Mount Black E1

Features a fully welded design and a supported lid which keeps it open when in use

Peak Nano Optics Photochromic is equipped with a high tech lens in X-PC with photochromatic abilities that darkens and lightens up automatically to the strength of the sunlight (UV light)

model NanoAir material TPU tire size 29" tire width 2

Pads for carbon rims available separately

SRAM Rival Crankset - 172.5mm 12-Speed 48/35t 8-Bolt Direct Mount DUB Spindle BLK E1 ModelNumber=MTOPEAK30 }SRAM Rival 2x Chainring KitSRAM Rival Crankset 172. 5mm 12 Speed 48 35t 8 Bolt Direct Mount DUB Spindle Black E1. SRAMs most advanced aluminum road crankset is their most stunning. Careful engineering has resulted in crankarms that optimize stiffness to weight ratio with material only where its needed. Integrated chainrings deliver flawless shifting in ranges that fit your needs with the whole package coming in over 50 grams lighter than the previous generation. Modern aluminum