SwissStop Rotor of Disc Brake - catalyst race 140mm Center Lock kids providing excellent impact resistance and

providing excellent impact resistance and durability

Colour - Black/Stealth Print

Bottom Bracket Shell - 68mm

Long Battery Life: Lasts for 1000 hours: 1 hour per day

25+ Built-In GPS and Indoor Sports Apps

SwissStop Rotor of Disc Brake - catalyst race 140mm Center Lock kids providing excellent impact resistance andFeatures 12% lighter than Catalyst Pro Two piece construction Brake ring dimensions optimized for race pads Aluminum alloy spider for increased stiffness New spider design for improved aerodynamics Center Lock mount UCI approved for 140mm and 160mm sizes Specifications Diameter: 140mm Thickness: 1. 8mm Weight: 110g Material: Steel brake ring with aluminum alloy spider Hub Compatibility: Center Lock