SRAM, Rival D1 Quarq 2x, Power Meter Crankset, Speed: 12, Spindle: 28.99mm, BCD: 107, 48/35, DUB, 172.5mm, Black, Road Disc Youth Mountain Helmets Compatible with 8-11 speed MTB

Compatible with 8-11 speed MTB (12 speed HG with 1

Legend : SM-MA90-F203S/P :

the Carbon GX crankset is engineered for complete chain control

Features knurled end for a no-slip grip

SRAM, Rival D1 Quarq 2x, Power Meter Crankset, Speed: 12, Spindle: 28.99mm, BCD: 107, 48/35, DUB, 172.5mm, Black, Road Disc Youth Mountain Helmets Compatible with 8-11 speed MTB* Power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever.* DUB PWR spindle based unit measures left side power to calculate total watts* Long battery life (400+ hours) to power a season of rides* User replaceable lithium AAA battery* DUB bottom bracket adds durability and simplicity* Waterproof (IPX7 waterproof to 1 meter for 30 mins)* Lightweight (less than 40g heavier than standard