Skip to content
Free Delivery Over £60 | 90-Day Returns | Independent & Rider-Owned Since 2008
Contact Us Contact us WishlistWishlist
Black FridayOut of stock
  • Shimano GRX RX400 2 x 10 Groupset
  • Shimano GRX RX400 2 x 10 Groupset
  • Shimano GRX RX400 2 x 10 Groupset

Shimano GRX Kit Overview

Shimano GRX, designed with gravel-specific ergonomics, optimized gearing, and rugged reliability, offers a quiet, stable drivetrain suited for unpaved adventures. This premium series provides outstanding performance and value with ergonomic designs and gravel-centric gearing.

These are fully boxed UK products.

Included Parts:

Chainset: Shimano GRX FC-RX600 10 Speed Double Chainset

  • The HollowTech II 10-speed 46/30T double chainset offers optimum gearing for mixed terrains and riding styles
  • Designed to work with HollowTech II type bottom bracket cups
  • Compatible with 10-speed HG chains
  • Anodized aluminium crank arms
  • Lightweight aluminium chainrings

 

Chain: Shimano HG54 10 Speed Mountain Bike Chain, 116L

  • Outer plate design has been developed to reduce the chance of chain suck
  • The inner plate has been developed for better contact with gears providing smoother shifting under high load, giving efficient pedalling, increased rigidity and near silent running
  • Corrosion-resistant grey finish on inner and outer plates
  • Approximately 274g

 

Front Mech: Shimano GRX FD-RX400 10 Speed Double Front Mech

  • Wider tyre clearance with plus 2.5 mm chainline versus conventional road front derailleur
  • Braze-on fit as standard; if your bike does not have a braze-on mount seat tube adapters are available (SM-AD91)
  • Compatible with 10-speed HG chains
  • Wide range 16T capacity - 46T outer chainring
  • For use with double chainset

 

Rear Mech: Shimano GRX RD-RX400 10 Speed Shadow+ Double Rear Mech

  • Low profile Shadow Plus design 10-speed rear derailleur for fast and precise shifting performance
  • Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting
  • Compatible with 10-speed HG chains
  • Wide gear ratio compatible up to 11-36T
  • For use with double chainset
  • Weight: 303 g

 

Shifter/Brake: Shimano GRX ST-RX400/BR-RX400 10 Speed STI Lever & Disc Brake

  • GRX hydraulic disc brake STI's give you control, modulation and power with minimal effort in all riding conditions
  • Raised hood head prevents hand misalignment and slippage
  • Anti-slip texture and brake lever coating gives higher braking efficiency and reduces fatigue on long rides
  • Weight: 306 g

 

Cassette: Tiagra CS-HG500 10-Speed

  • Hyperglide sprockets with computer-designed tooth configuration and contoured shift gates for smooth shifting, even under load
  • Sprockets are cut away and drilled to reduce weight without sacrificing rigidity
  • Nickel-plated finish provides durable resistance to corrosion
  • CSHG50010134 - 11-34T

 

Genuine new, boxed Shimano product (not OEM parts) - Biketart are proud official Shimano stockists. 

Shimano GRX

RX400 2 x 10 Groupset

Shimano GRX Kit Overview Shimano GRX, designed with gravel-specific ergonomics, optimized gearing, and rugged reliability, offers a quiet, stable drivetrain suited for unpaved adventures. This premium series provides outstanding performance Read more
Sale price £429.00 Regular price RRP £749.93 SAVE 43%
Shimano GRX FC-RX600 10 Speed Double Chainset (Size) 165mm - 46/30T
Shimano GRX ST-RX400/BR-RX400 10 Speed STI Lever & Disc Brake (Option) Right Hand - Front
Shimano GRX ST-RX400/BR-RX400 10 Speed STI Lever & Disc Brake (2) (Option) Right Hand - Front
Out of stock

90 Day Returns

Live placeholder (no logic).

Shimano GRX Kit Overview

Shimano GRX, designed with gravel-specific ergonomics, optimized gearing, and rugged reliability, offers a quiet, stable drivetrain suited for unpaved adventures. This premium series provides outstanding performance and value with ergonomic designs and gravel-centric gearing.

These are fully boxed UK products.

Included Parts:

Chainset: Shimano GRX FC-RX600 10 Speed Double Chainset

  • The HollowTech II 10-speed 46/30T double chainset offers optimum gearing for mixed terrains and riding styles
  • Designed to work with HollowTech II type bottom bracket cups
  • Compatible with 10-speed HG chains
  • Anodized aluminium crank arms
  • Lightweight aluminium chainrings

 

Chain: Shimano HG54 10 Speed Mountain Bike Chain, 116L

  • Outer plate design has been developed to reduce the chance of chain suck
  • The inner plate has been developed for better contact with gears providing smoother shifting under high load, giving efficient pedalling, increased rigidity and near silent running
  • Corrosion-resistant grey finish on inner and outer plates
  • Approximately 274g

 

Front Mech: Shimano GRX FD-RX400 10 Speed Double Front Mech

  • Wider tyre clearance with plus 2.5 mm chainline versus conventional road front derailleur
  • Braze-on fit as standard; if your bike does not have a braze-on mount seat tube adapters are available (SM-AD91)
  • Compatible with 10-speed HG chains
  • Wide range 16T capacity - 46T outer chainring
  • For use with double chainset

 

Rear Mech: Shimano GRX RD-RX400 10 Speed Shadow+ Double Rear Mech

  • Low profile Shadow Plus design 10-speed rear derailleur for fast and precise shifting performance
  • Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting
  • Compatible with 10-speed HG chains
  • Wide gear ratio compatible up to 11-36T
  • For use with double chainset
  • Weight: 303 g

 

Shifter/Brake: Shimano GRX ST-RX400/BR-RX400 10 Speed STI Lever & Disc Brake

  • GRX hydraulic disc brake STI's give you control, modulation and power with minimal effort in all riding conditions
  • Raised hood head prevents hand misalignment and slippage
  • Anti-slip texture and brake lever coating gives higher braking efficiency and reduces fatigue on long rides
  • Weight: 306 g

 

Cassette: Tiagra CS-HG500 10-Speed

  • Hyperglide sprockets with computer-designed tooth configuration and contoured shift gates for smooth shifting, even under load
  • Sprockets are cut away and drilled to reduce weight without sacrificing rigidity
  • Nickel-plated finish provides durable resistance to corrosion
  • CSHG50010134 - 11-34T

 

Genuine new, boxed Shimano product (not OEM parts) - Biketart are proud official Shimano stockists. 

Customer Reviews

You may also like