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.