Promax "BE-1" BMX Race Brake Post Extenders
- Weight : 0.03kg / 0.07lbs
- Packaging Unit: Pair
- Product ID (PID): 45031
- Product safety
Weight
Source: BMX Glossary
Printed: 10/29/2026
The Promax "BE-1" BMX Race Brake Post Extenders move the arms of a V-brake on the existing brake bosses by 16mm. This lets narrower 20 x 1-1/8" or 20 x 1-3/8" wheels fit a pro frame built for 20 x 1.50" or 20 x 1.75" without the pads missing the braking surface. They are CNC machined from 6061-T6 aluminum, the bolts are chromoly.
Facts: Promax "BE-1" BMX Race Brake Post Extenders
- Contains: 1 pair
- Material: 6061-T6 aluminum, CNC machined, chromoly bolts
- Extras: for V-brake bosses, 16mm offset, for 20 x 1-1/8" and 20 x 1-3/8" wheels in frames made for 20 x 1.50" to 1.75", weight: 32g
































































































