Promax P-1 Pro BMX V-Brake Caliper - Long Reach (108mm) - Blue 46t Length: 125mm

Length: 125mm

Arm length: 108mm (Pro size) Color: Red w/ Laser-etched graphics

External Rim Width: 23

They are made out of anodized 7000-series aluminum

or 17mm wrench (or adjust them punk-rock style with an adjustable wrench)

Promax P-1 Pro BMX V-Brake Caliper - Long Reach (108mm) - Blue 46t Length: 125mmThe Promax P 1 Linear Long Pull Brake is a lightweight, race proven BMX brake balancing strength, durability and performance. Contructed of cold forged 6061 T6 aluminum alloy, these calipers ofer 35 millimeters of vertical brake pad adjustmentabout 30 percent more adjustability than most linear pull brakes. Includes new, proprietary, two tone, dual compound, B 2 Air Flow one piece brake shoes developed by Promax specifically for the P 1 brakes. Arm