Shimano GRX 12 Speed Crankset - 48/31 FC-RX820 - 2

Shimano GRX 12 Speed Crankset - 48/31 FC-RX820 - 2The Shimano FC RX820 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed terrain riding. 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 terrain riding Hollowtech II crank arms provide strength and stiffness with the benefit of weight

Rear: HU-08 High Flange Alloy Body WT Hub Width Front: 100mm / Rear: 142mm Axle Type 12mm Thru Axle Bearings Black Inc + CeramicSpeed WT Brake Interface Center Lock ASTM Classification Level 1 Material High Modulus Carbon Fiber (T-700/ T-800/ T-1100) Finish UD matte glossy clearcoat Type Interface Tubeless and Clincher (inner tube) Type Compatibility Tubeless / Tubeless Ready / Clincher Recommended Tire Size 700c x 28mm Rim Height Front: 48mm / Rear: 58mm Rim Width Internal: 23mm / External: 29mm Rim Decals Water Transfer Decals with High Polish Glossy Clear Coat Finish Assembly The 48|58 wheels are hand built by artisanal wheel builders and inspected with the latest electronic machines

Lithium Ion battery duration: 500km/month - 1500km

Adjustable Reach: Yes

it is a vital component for expert-level cyclists focusing on performance and reliability

and even bottle cages with unparalleled simplicity

Requires Wide front derailleur

layered construction

To maximize ride feel without compromising comfort

Enjoy a clean setup with reliable wireless performance powered by long-lasting CR1632 batteries (3-4 year life)

It does not come with the bolts

Tubeless valve 80mm

cradles your foot securely