Shimano BB-UN300 Bottom Bracket - English 68 x 117.5mm Spindle Square Taper JIS Model=Chainring for GRX FC-RX600 } volume 2x20L ( 40

} volume 2x20L ( 40 liter) adjustable 3-point rear carrier fixation extremely durable material with welded seams handle

110psi rated for maximum rolling efficiency

}Hope RX Disc Rotor - 140mm Center-Lock Purple

Neoprene bottle holder

Mounting screws included

Shimano BB-UN300 Bottom Bracket - English 68 x 117.5mm Spindle Square Taper JIS Model=Chainring for GRX FC-RX600 } volume 2x20L ( 40Shimano BB UN300 Bottom Bracket English 68 x 117. 5mm Spindle Square Taper JIS. Shimano BB UN300 Square Spindle Bottom BracketsFits JIS square taper cranksets Crankarm fixing bolts sold separately Hollow spindle TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Spindle Interface Type Square Taper JIS Spindle Length 117. 5 Defined Color Black