Shimano GRX RX820 component details

ST-RX820-R/L – hydraulic disc brake dual control lever

• Gravel-specific brake lever and bracket ergonomics
• Optmised for use with flared handlebar
• Anti-slip coating on brake lever surface
• Light and responsive mechanical shifting
• Claimed weight: 572.5g (2×12 ST pair)
• Claimed weight: 511.2g (1×12 ST pair)

RX820-LA dropper lever

• Left-side brake and dropper post lever
• Gravel-specific brake lever and bracket ergonomics
• Optimised for use with flared handlebar
• Anti-slip coating on brake lever surface
• Claimed weight: 263g

RX820-L 1x lever

• Left-side brake lever
• Gravel-specific brake lever and bracket ergonomics
• Optimised for use with flared handlebar
• Anti-slip coating on brake lever surface
• Claimed weight: 222g

RX822-GS rear derailleur

• Shimano Shadow RD+ chain stabilisation
• Max cassette range: 45T
• Interchangeable, replaceable GS/SGS derailleur cage
• Claimed weight: 290g

RX822-SGS rear derailleur

• 12-speed
• Shimano Shadow RD+ chain stabilisation
• Max cassette range: 51T
• Interchangeable, replaceable GS/SGS derailleur cage
• Claimed weight: 288g

RX820 rear derailleur

• 12-speed
• Shimano Shadow RD+ chain stabilization
• Max cassette range: 36T
• Claimed weight: 270g

RX820 front derailleur

• 2×12-speed gearing
• Toggle link construction offers more cable routing options
• Wider tyre clearance
• Chainline +2.5mm vs. conventional road FD
• Precise and easy adjustment with integrated cable tension adjustment
• Claimed weight: 95g

RX820-1 crankset

• 1×12-speed gearing
• Crank arm lengths: 170mm, 172.5mm, 175mm
• Chainring options: 40T, 42T
• Shimano Hollowtech II construction
• Claimed weight: 655g (172.5mm with 40T chainring)

RX820-2 crankset

• 2×12-speed gearing
• Crank arm lengths: 170mm, 172.5 mm, 175 mm
• Chainring combination: 48-31T
• Shimano Hollowtech II construction
• Claimed weight: 721g (172.5 with 48/31T chainrings)

M8100-12 cassette

• 10-45T/10-51T range
• Freehub type: Micro Spline
• Claimed weight: 461g/470g

CS-R8100-12 cassette

• 11-34T
• Claimed weight: 345g
• Freehub type: HG and HG+

CS-HG710-12

• 11-36T
• Claimed weight: 391g
• Freehub type: HG and HG+

Shimano GRX RX610 component details

RX610-R/L levers

• Gravel-specific brake lever and bracket ergonomics
• Anti-slip coating on brake lever surface
• Light and responsive mechanical shifting
• Claimed weight: 611g (2×12 pair)
• Claimed weight: 542 g (1×12 pair)

BL-RX610-L – hydraulic disc brake only

• Left-side brake lever
• Gravel-specific brake lever and bracket ergonomics
• Anti-slip coating on brake lever surface

FC-RX610-1 crankset

• 1×12-speed gearing
• Crank-arm lengths: 165mm, 170mm, 172.5mm, 175mm
• Chainring options: 38T and 40T
• Claimed weight: 815g (with 40T chainring)

FC-RX610-2 crankset

• 2×12-speed gearing
• Crank arm lengths: 165mm, 170mm, 172.5mm, 175mm
• Chainring combination: 46-30T
• Claimed weight: 815g (with 46/30T chainrings)