Shimano GRX RX820 Unstoppable 10-51t Drivetrain Kit - Includes: Shifters, Brakes, Crankset, Rear Derailleur, Cassette, and Chain

$1,420.90 $1,249.00
Article number: 6694
Availability: Out of stock

Kit Includes:

 

  • Qty 1 Shimano GRX BL-RX820 Brake Lever with BR-RX820 Hydraulic Disc Brake Caliper - Left/Front, Flat Mount Caliper
  • Qty 1 Shimano GRX ST-RX820 Shift/Brake Lever with BR-RX820 Hydraulic Disc Brake Caliper - Right/Rear, 12-Speed, Flat Mount Caliper, For 25mm Mount
  • Qty 1 Shimano GRX FC-RX820-1 Crankset - 170mm, 12-Speed, 40t, 110 BCD, Hollowtech II, Black
  • Qty 1 Shimano GRX RD-RX822-SGS Rear Derailleur - 12-Speed, Direct Mount, Long Cage, Shadow Plus Design, 51t Max Low
  • Qty 1 Shimano XT CS-M8100 Cassette - 12-Speed, 10-51t, Silver/Black, Micro Spline, No Retail Packaging
  • Qty 1 Shimano XT CN-M8100 Chain - 12-Speed, 138 Links, Silver

 

Kit Does NOT Include:

 

  • Rotors (Can be purchased separately) 
  • Bottom Bracket (Can be purchased separately) 

 

Gravel cycling is not meant to be overly complicated. The heart and soul of cycling’s drop bar, dirt road discipline is rooted in simplicity, inclusivity, and adventure. No ride is out of bounds. All are welcome to join. Gear should be functional and reliable but need not break the bank.

That’s why whether you’re a grizzled gravel cycling veteran or brand new to the road (or trail) less traveled, you’ll appreciate the latest iteration of SHIMANO’s groundbreaking—and industry-first-gravel-specific GRX component group. Designed to help you get the most from your next unpaved adventure, RX820 delivers top-tier performance without an over-the-top price.

 

SHIMANO GRX 1x12 UNSTOPPABLE

If all-day—or multi-day—adventures heavy on climbing are your thing, the new RX820 1x12 UNSTOPPABLE option with SHIMANO’s wide-range, 10-51T cassette offering is ideal. Paired with a 40T chainring, you'll never run out of gears, even on the steepest jeep road or high mountain ascent. And like the 10-45T, 1x12 option, this group features an integrated SHADOW RD+ chain stabilizer for optimal chain security and an ON/OFF switch, making wheel removal quick and easy if you happen to puncture.  

Both 1x12 options utilize Micro Spline, SHIMANO’s lightweight aluminum freehub design that seamlessly integrates with 10-tooth top gears and features smaller, more widely spaced splines that limit cog damage. 

 

SHIMANO GRX RX820 Brakes

Alongside this suite of gravel-optimized gearing options and the new RX880 wheel is the new ST-RX820 brake/shift levers. Specifically designed for use with flared handlebars that are a gravel-cycling staple, the new lever body design features anti-slip texturing on the tops and dramatically improved ergonomics that lessen pressure on your palms. Together, these changes increase comfort and control so you can fearlessly tackle tricky terrain or focus on the rolling gravel road ahead. 

The new GRX brake levers feature SHIMANO’s Dual Control setup with its light and responsive mechanical 12-speed shifting. The new 1x12 groups include two options for the left lever: a brake lever-only model and a dropper-specific option that seamlessly integrates braking and dropper post actuation for fast and effortless operation. This kit will come with the brake lever-only model, but we are always open to special orders.

New SHIMANO GRX 12-Speed Mechanical
 

Enhanced chain security and quieter shifting for gravel riding

With its integrated chain stabilizer, the SHIMANO GRX rear derailleur delivers quieter shifting and more secure chain management in rough terrain. The RD-RX822-SGS is compatible with 10-51T, 12-speed SHIMANO MTB cassettes, meaning you’ll never run out of gears even on the steepest jeep road or high mountain singletrack ascent. And the chain tensioner has an ON/OFF switch for easy wheel removal.

 

SHIMANO GRX RX822 Rear Derailleur

Enhanced chain security and quieter shifting for gravel riding

With its integrated chain stabilizer, the SHIMANO GRX rear derailleur delivers quieter shifting and more secure chain management in rough terrain. The RD-RX822-SGS is compatible with 10-51T, 12-speed SHIMANO MTB cassettes, meaning you’ll never run out of gears even on the steepest jeep road or high mountain singletrack ascent. And the chain tensioner has an ON/OFF switch for easy wheel removal.

 

FEATURES

  • Silent and secure rear shifting on rough terrain
  • Adjustable chain stabilizer prevents chain slap and drops
  • Smooth and reliable shifting on mixed surfaces
  • ON/OFF stabilizer switch matches terrain

SPECS

  • Top sprocket: 10T
  • Low sprocket: 51T
  • Interchangeable, replaceable GS/SGS derailleur cage

 

 

SHIMANO GRX RX820 Crank

Wide array of options delivers optimal gravel gearing for variety of riders

The SHIMANO FC-RX820-1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. By pairing a 10-45T or 10-51T cassette with 40T and 42T chainrings, riders can choose closer gear steps or ultimate range. The FC-RX820-1 comes in 170, 172.5, and 175 mm crank arm lengths, providing an additional level of customization. This kit will come with a 40t, 170mm crankset, but we are always open to special orders.

 

SHIMANO XT CS-M8100 Cassette

The Shimano Deore XT CS-M8100 12-speed cassette is optimized with rider-tuned wide range and close step gear combinations for MTB excellence.

  • Shift ramp designs provide fast and smooth shifts by HYPERGLIDE+ technology
  • Light and stiff construction reduces cassette inertia resulting in faster acceleration and increased chain security
  • Designed with a Shimano Micro Spline body that features smaller and more widely distributed splines to limit cog damage on freehub
  • The CS-M8100 cassette meets durability requirements for E-MTB applications

 

SHIMANO Deore XT CN-M8100 Chain

  • HYPERGLIDE+ technology dedicated chain delivers greater chain retention, improved shifting efficiency, and smoother transmission over rough terrain
  • Extended inner plate improves chain engagement
  • Reduced shift times and pedaling shock
  • Includes non-reusable Shimano Quick-Link (SM-CN910-12)
  • Features SIL-TEC treatment for extended offroad durability
 
 
 
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