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Box 451mm Mini BMX Race Wheelset-20x1 1/8" - 1
Box 451mm Mini BMX Race Wheelset-20x1 1/8" - 2
Box 451mm Mini BMX Race Wheelset-20x1 1/8" - 3
Box 451mm Mini BMX Race Wheelset-20x1 1/8" - 4
Box 451mm Mini BMX Race Wheelset-20x1 1/8" - 5

Box 451mm Mini BMX Race Wheelset-20x1 1/8"

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About This Product: Box 451mm Mini BMX Race Wheelset-20x1 1/8"

Box 451 Focus Front Rim 20x1 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.

SPECIFICATION

  • USE: Race
  • WORKING SIZE: 20x1 1/8"
  • MATERIAL: Aluminum
  • WIDTH: 17.8mm
  • HOLE COUNT: 28 hole
  • BEAD DIAMETER: 451mm
  • ERD: 438mm
  • TIRE FIT: 20x1 1/8"
  • VALVE:  Presta Valve
  • DESIGN: Double wall, Sleeved and Pinned, Eyelets

Box 451 Focus Rear Rim 20x1 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.

SPECIFICATION

  • USE: Race, rear specific
  • WORKING SIZE: 20x1 1/8"
  • MATERIAL: Aluminum
  • WIDTH: 17.8mm
  • HOLE COUNT: 28 hole
  • BEAD DIAMETER: 451mm
  • ERD: 438mm
  • TIRE FIT: 20x1 1/8"
  • VALVE:  Presta Valve
  • DESIGN: Double wall, Sleeved and Pinned, Eyelets

Box Hubs with 10mm axle

Box Components designed the super-lightweight Harmonic hubs to meet the needs of the raddest little riders. Starting with cold-forged 6061-T6 hub shells, they added oversize aluminum front axle and rear axle bolts, a Shimano-compatible, 7075-T6 aluminum casette body and smooth-rolling sealed bearings. A proven reliable 3-pawl cassette body ensures solid engagement every time.

SPECIFICATION

  • 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

Rim Tape Included

Wheel Sizing Charts

Wheel Sizing Charts
RIDER WEIGHT RIDER AGE RECOMMENDED SIZE
RIDER WEIGHT: > 55 lbs RIDER AGE: > 5 RECOMMENDED SIZE: 18 x 1 inch
RIDER WEIGHT: 55 - 80 lbs RIDER AGE: 5 - 10 RECOMMENDED SIZE: 20 x 1.125 inch 24 x 1.125 inch
RIDER WEIGHT: 80 - 115 lbs RIDER AGE: 9 - 12 RECOMMENDED SIZE: 20 x 1.375 inch 24 x 1.375 inch
RIDER WEIGHT: 115 - 145 lbs RIDER AGE: 12 - 14 RECOMMENDED SIZE: 20 x 1.5 inch 24 x 1.5 inch
RIDER WEIGHT: 145 lbs < RIDER AGE: 14 < RECOMMENDED SIZE: 20 x 1.75 inch 24 x 1.75 inch