GRX BR-RX410 Bottom Bracket Tools Includes 19 professional quality tools:

Includes 19 professional quality tools:

Shock absorbing for a comfortable tow

The diameter of the middle section is reduced to 1

Atmos Sealed Construction - Eliminates need for staples and bumpers on base of saddle

increased air volume to add support throughout the travel

GRX BR-RX410 Bottom Bracket Tools Includes 19 professional quality tools:2 Piston RX410 flat mount hydraulic disc brake caliper Provides greater control for mixed terrain riding Excellent heat dissipation Convenient tool access Easy and clean bleeding system Includes L03A resin pads with improved wear resistance Attributes Brake Material Aluminum Brake Weight 109g Caliper mount Flat mount Disc Diameter 140 or 160mm (not included) Fluid Mineral oil Primary Color Black