Shimano GRX Groupset RX810 2×11 Speed 175 mm Cranks


Firstly, everyone has a different definition of what ‘adventure road and gravel’ actually means. For many people coming from road cycling that simply means long days on smooth gravel. For us here at Commuter it’s about one word. Versatility. That bike should be able to really move on the tarmac or a smooth gravel road, but also should be geared low enough to handle loose double track and not force you into walking when you’re carrying some load. This has been our sticking point with twin chainring groupsets the last few years, and GRX looks like a massive improvement on this.

Shimano Groupset includes:

  • Shimano GRX RX810 Shift Brake 2x Lever Left Hand 
  • Shimano GRX RX810 Shift Brake Right Hand 
  • Shimano GRX RX810 Rear Derailleur 
  • Shimano GRX RX810 Front Derailleur
  • SM-BBR60 Bottom Bracket Ultegra English 68mm
  • CN-HG601 Chain 11-SPEED ROAD/MTB SIL-TEC 105 / SLX grade
  • Disc Brake Rotor Ultegra 160mm Centerlock SM-RT800
  • Shimano CS-HG700 Cassette 11-34T 11 speed
  • Shimano GRX 46/30T Crank 175mm RX600

For more details and analysis check out our article: Shimano GRX is here.

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Shimano GRX ST-RX810 Shifters

  • Gravel inspired lever and bracket ergonomics
  • Anti-slip brake lever
  • Greater mixed-terrain control
  • Same light shifting operation as top tier systems

BR-RX810 Calipers

  • Excellent heat dissipation
  • Flat mount
  • Convenient tool access
  • Simple wheel replacement
  • Easy and clean bleeding system
  • Never hesitate to tackle rough surfaces
  • Simple set up and maintenance

SHIMANO GRX – Rear Derailleur – SHIMANO SHADOW RD+ – 34T max low sprocket – 11-speed

With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner. The RD-RX810 rear derailleur is compatible with road cassettes with a 34T low sprocket max.


  • Adjustable chain stabilizer prevents chain slapping and drops
  • Toggle clutch ON/OFF to match the terrain
  • Switch stabilizer ON/OFF to match the terrain
  • Gravel-tuned clutch tension


  • Silent and uninterrupted rear shifting on rough terrain
  • Low sprocket: Max. 34T/Min. 30T
  • Total capacity: 40T
  • Smooth and reliable mixed surface shifting
  • Compatible with current road DUAL CONTROL LEVER
  • Maximum front difference: 17T
  • Top sprocket: Max. 11T/Min. 11T

FD-RX810-F SHIMANO GRX – Front Derailleur – Gravel – 2×11-speed

The SHIMANO GRX RX-810-F front derailleur offer lighter front shifting operation and easier setup thanks to the new link construction and integrated cable tensioner. It features a 2.5mm outboard chain line design to allow wider tire clearance for mixed-terrain riding. The RX-810-F also accommodates a 17T front chainring range for wider gearing options.


  • Ergonomic power curve
  • Integrated cable tension adjustment
  • Natural stroke feeling
  • Chainline +2.5 mm vs. conventional road FD
  • 17T front range
  • More cable routing options


  • Lighter front shifting
  • Wider tire clearance
  • Wider range front gearing
  • Precise and easy front derailleur adjustment

Shimano Ultegra SM-BBR60 English 68mm Bottom Bracket

  • 68mm width English type bottom bracket
  • Includes TL-FC25 adaptor
  • Compatible with HollowTech II cranks
  • For road use


The Shimano CN-HG601 Sil-Tec chain is made to be used with 11-Speed drivetrains on either road and MTB bikes. This Shimano 105 level chain boasts both low friction surface treatment SIL-TEC and PTFE (Teflon) surface coating to improve durability and ensure smooth shifting.


  • Inner-plate treated with SHIMANO’s ultra-low friction surface treatment “SIL-TEC” (inner plate)
  • Same durability as current 10-speed chain
  • System engineered drivetrain component for optimal power transfer
  • Smooth and precise front and rear shifting
  • Directional chain
  • Weight: 257 g (114 Link)


For superb stopping power in all conditions, SHIMANO ULTEGRA SM-RT800 disc brake rotors deliver consistent braking performance thanks to the ICE TECHNOLOGIES FREEZA construction. With better heat management, the SM-RT800 rotors withstand brake fade on long downhill stretches and provide substantially quieter braking. SHIMANO’s CENTER LOCK mounting system makes installing and removing rotors quick and easy with the spine mount and lock ring design.


  • New construction provides better heat management than current ICE TECHNOLOGIES FREEZA


  • Better heat dispersion than current road-disc systems

CS-HG700-11 SHIMANO 105 – 11-Speed – HG-EV – 11-34RT – Road Cassette Sprocket

Compatible with GS cage rear derailleurs, the HG700-11 cassette offers low climbing gears perfect for mixed surface riding. It is compatible with both 10 and 11-speed freehubs.


  • Removable spacer for compatibility with MTB hub body


  • High performance rider tuned gearing
  • Fits a wide variety of drop handlebar Road bikes

SHIMANO GRX – Gravel Crankset – 2×11-speed

SHIMANO’s new FC-RX600-11 crank balances weight and efficiency for mixed-terrain riding. Gearing options cater for the specific demands of gravel riding and to maintain tighter gear steps for maintaining pedaling rhythm. The 2×11-speed crank is available in a 46-30T chainring combination and 175mm crank arm length.


  • Wider gear range for long tours or unknown terrain


  • Optimum gearing for mixed terrains and riding styles
  • Gear combination: 46-30T

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