TheBox Threebrake arms are cold forged from 6061-T6 aluminum. Cold forging produces the strongest, lightest weight and most durable bicycle parts.

• 35mm of vertical brake pad adjustment
• Includes new, proprietary, two-tone, dual-compound,Box ThreeAir Flow, one-piece brake shoes

Arm length: 108mm
Color: Blue

TheBox Threebrake arms are cold forged from 6061-T6 aluminum. Cold forging produces the strongest, lightest weight and most durable bicycle parts.

• 35mm of vertical brake pad adjustment
• Includes new, proprietary, two-tone, dual-compound,Box ThreeAir Flow, one-piece brake shoes

Arm length: 108mm
Color: Blue