SHIMANO
Shift/Brake Set Shimano GRX ST-RX400/BR-RX400 Right, 10-speed
Shift/Brake Set Shimano GRX ST-RX400/BR-RX400 Right, 10-speed
The Shimano GRX ST-RX400 + BR-RX400 is a right-hand 10-speed Dual Control shift and hydraulic disc brake set designed for the demands of gravel riding. It delivers powerful and precisely modulated braking to maintain control on steep, technical or unexpected descents.
GRX-specific ergonomics ensure a secure grip on rough terrain, while tool-adjustable reach allows fine-tuning for different hand sizes. The Flat-Mount BR-RX400 caliper with one-way bleeding system makes maintenance simple and reliable.
- Mount: Right
- Rear speeds: 10-speed
- Reach adjustment: Yes, with tool
- Handlebar diameter: 23.8–24.2 mm
- Brake type: Hydraulic disc brake
- Brake caliper: BR-RX400-R
- Mount type: Flat-Mount
- Brake pads: L03A Resin with Fin
- Brake hose: SM-BH90-JK-SSR rear 1700 mm (cuttable)
- One-way bleeding: Yes
- Brake fluid: Shimano mineral oil
- Recommended rotor: SM-RT64, SM-RT70, SM-RT800
- Lever material: Painted aluminum
- Caliper material: Painted aluminum
- STI lever weight: approx. 313 g
- Caliper weight: approx. 143 g
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Estonia
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Finland
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Latvia
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Lithuania
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Shimano is a Japanese component manufacturer that since 1921 has been one of the world’s largest suppliers of bicycle drivetrains, brakes and cycling-specific parts. Shimano groupsets — from Tourney for city bikes to top-tier Dura-Ace — are found on virtually every serious bike brand. The company also makes fishing tackle and rowing components.