Hope RX4+ Disc Brake Caliper - Post Mount DOT Black Model=GX XG-1150 11 Speed Cassette The M9 bar is a

The M9 bar is a dedicated downhill option

and we’re feeling generous

but not 120-deep

CrMo spindle

Hope RX4+ Disc Brake Caliper - Post Mount DOT Black Model=GX XG-1150 11 Speed Cassette The M9 bar is aHope RX4+ Disc Brake Caliper Post Mount DOT Black. The Hope RX4+ caliper builds on 25 years of experience designing and manufacturing hydraulic disc brakes and transfers that knowledge into the world of road and cyclocross drop bar brakes. A precision CNC machined monobloc design results in a stiffer caliper to give unrivaled feel and modulation. Monobloc design creates a stiffer caliper reducing the fuzzy lever feel and brake pad rub Slimline 4