GRX BL-rx600/BR-Rx400 Hydraulic Disc Brake Set Side:1x Left/Front Requires a 10-speed chain and

Requires a 10-speed chain and 10-speed shifters

red-laterite road grime

confident chain movement between chainrings even in dusty or wet conditions

They are replacement rubber hoods for Shimano Ultegra R8000 shifter levers

GRX BL-rx600/BR-Rx400 Hydraulic Disc Brake Set Side:1x Left/Front Requires a 10-speed chain andThe Shimano GRX BL RX600 BR RX400 Hydraulic Disc Brake Set brings gravel grade stopping confidence to Indian roads where monsoon downpours, steep Western Ghats descents, and unpredictable traffic demand brakes that respond with precision and consistency, not guesswork. This is a dedicated hydraulic disc system built for riders who push beyond smooth tarmac. Use Cases Daily training. Reliable use across Indian training conditions heat, humidity, and