Box 451 Focus Front Rim 20×1 1/8″
The BOX Components Focus BMX front rims feature double wall in a “BOX” style. Sleeved and Pinned with Eyelets. Designed for front use only with minimized sidewalls to reduce weight.
SPECS
USE: Race
WORKING SIZE: 20×1 1/8″
MATERIAL: Aluminum
WIDTH: 17.8mm
HOLE COUNT: 28 hole
BEAD DIAMETER: 451mm
ERD: 438mm
TIRE FIT: 20×1″, 20×1 1/8″ and 20×1 3/8″
VALVE: Presta Valve
DESIGN: Double wall, Sleeved and Pinned, Eyelets Box 451 Focus Rear Rim 20×1 1/8″
The BOX Components Focus BMX rear rims feature double wall in a “BOX” style. Sleeved and Pinned with Eyelets. Designed for rear but can also be used as a front rim.
SPECS
USE: Race, rear specific
WORKING SIZE: 20×1 1/8″
MATERIAL: Aluminum
WIDTH: 17.8mm
HOLE COUNT: 28 hole
BEAD DIAMETER: 451mm
ERD: 438mm
TIRE FIT: 20×1″, 20×1 1/8″ and 20×1 3/8″
VALVE: Presta Valve
DESIGN: Double wall, Sleeved and Pinned, Eyelets
Promax Hubs with 10mm axle
• Hub Shells Are Cold Forged From 6061-T6 Aluminum Alloy
• Wide Shimano-Compatible Cassette Body Allows for Easy Chainline Adjustments
• Chromoly Cassette Body
• Lightweight Skewer-Style Front Axle; Chromoly Rear Axle Bolts
• 4-Pawl Cassette Body Engages Fast With Less Drag
• Available With- 24 or 28-Hole Drilling
• Includes on 10mm Cassette Space and Lock Ring
• Meets or Exceeds ENBMX Cat. 2 Standards
• Designed in USA/Made in Taiwan
Hub Dimensions:
Front Hub:
Flange Diameter: 45mm
2.65mm Spoke Holes
67.5mm Flange to Flange Width
Rear Hub:
Rt. Flange Diameter: 58mm
Lt. Flange Diameter: 53mm
2.65mm Spoke Holes
50 mm Flange to Flange Width
Rt. Flange to Center: 22.14mm
Lt. Flange to Center: 25mm
Box Rim Tape