Front Chainwheel, FC-RX820-2, GRX, For Rear 12-Speed, Hollowtech 2, 172.5mm, 48-31T level six upper and lower side compression

upper and lower side compression and separate zippered laptop access

Product code: GZ9848

Weight: 241g

Smart Safety and EPS4D impact protection technologies

Attaches to frame with (1) M8 Chainring Bolt

Front Chainwheel, FC-RX820-2, GRX, For Rear 12-Speed, Hollowtech 2, 172.5mm, 48-31T level six upper and lower side compressionThe SHIMANO FC RX820 2 balances weight savings and optimal efficiency for mixed terrain riding and racing. Double chainring gearing caters to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch Gravel optimized 48 31t gear combination ratios preserve riding rhythm on rough surfaces The 17t range covers an array of riding conditions Smaller gear steps for cadence control on mixed