Box One Focus Rim (Black) (28H) (Presta) (20" / 451 ISO) (1-1/8")

The Box Focus Rear Rim features a low-profile design that eliminates excess material, making them some of the lightest weight double-wall rims available. Single eyelets are utilized to help prevent spoke pull-through, which means higher spoke tensions are possible.


  • Low-profile, double-wall aluminum BMX Race rim with machined sidewalls
  • Single eyelets to help prevent spoke pull-through allowing higher spoke tension

Effective Rim Diameter (ERD): 394mm (20 x 1.75"), 438mm (20 x 1-1/8"), 494mm (24 x 1.75")
Rim Walls: Double Wall
Brake Type: Rim Brake
Rim Joint: -
Rim Dimensions: 12mm ID & 18mm OD (20 x 1-1/8"), 22mm ID & 28mm OD (20/24 x 1.75")
Tire Type: Clincher
Material: Aluminum
Color: Black
Weight: 9.88 oz (20 x 1-1/8"), 12.77 oz (20 x 1.75"), 15.24 oz (24 x 1.75")

This product was added to our catalog on June 16, 2022