Shimano GRX RX610 1 x 12 Groupset
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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:
Crankset: Shimano FC-M7100 12-Speed
- Rear Speeds: 12
- Compatible Chain: HG 12-speed
- Chain Line (mm): 49.7
- P.C.D. (mm): 110
- Spider/Gear Arms: 4
- Chainring Combination: 38T, 40T
- Q-Factor (mm): 151
Shifter: Shimano GRX ST-RX610 12-Speed Right Hand STI Lever with BR-RX400 Caliper
- Gravel-specific ergonomics, optimized gearing, rugged reliability, and quiet drivetrain for gravel adventures
- Rear Speed: 12
- Cable: OT-SP41 (lever side), OT-RS900 (rear derailleur side)
- Brake Hose (kit): SM-BH90-JK-SSR
- Hose Joint: Straight
- Brake Hose Colour (kit): Black
- Recommended Brake Caliper: BR-RX400
- Oil: Shimano Mineral
- Reach Adjust
- Free Stroke Adjust
- Clamp Diameter (mm): 23.8-24.2
Shifter: Shimano GRX BL-RX610 Left Hand Hydraulic Disc Brake Lever with BR-RX400 Caliper
- Designed for gravel-specific ergonomics and quiet, stable performance
- Rear Speed: 12
- Cable: OT-SP41 (lever side), OT-RS900 (rear derailleur side)
- Brake Hose (kit): SM-BH90-JK-SSR
- Hose Joint: Straight
- Brake Hose Colour (kit): Black
- Recommended Brake Caliper: BR-RX400
- Oil: Shimano Mineral
- Reach Adjust
- Free Stroke Adjust
- Clamp Diameter (mm): 23.8-24.2
Chain: Shimano CN-M7100 12-Speed
- Design: Super narrow, lightweight 12-speed Hyperglide+ chain for smooth shifts and maximum durability
- Performance: A reliable chain for all riding styles, with Sil-Tec surface treatment (PTFE plating) for reduced friction and increased durability
- Link Length: 126 links (can be shortened using a chain breaker)
Cassette: Shimano CS-M7100 12-Speed Cassette (10-45T & 10-51T available)
- SLX M7100 12-speed Micro Spline MTB cassette featuring lightweight, minimal sprocket carrier design
- Gearing: Close-ratio for efficient energy use and cadence control
- Design: Sprockets cut away and drilled to reduce weight without sacrificing rigidity
- Compatibility: For use with 12-speed MTB chains
Rear Derailleur: Shimano GRX RD-RX822 12-Speed Single Rear Derailleur
- Features: Integrated chain stabilizer for quieter shifting, better ground clearance, and secure chain management on rough terrain
- Compatible with 10-45T and 10-51T 12-speed Shimano MTB cassettes
- Chain Compatibility: 12-speed Hyperglide+ chains
- Wide Gear Ratio: Available in 10-45T & 10-51T (for GS or SGS cage respectively)
- Use: Designed for single chainsets
Genuine, brand new, boxed Shimano product - Biketart are an official UK Shimano stockist.
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