USD $‎59.99

Box One 451mm x 12mm 28-Hole Rims

Brake Rim
20” x 1 1/8 (451mm): 280 grams/9.87 ounces (ERD 438)

Brakeless Rim
20" x 1 1/8 (451mm): 244 grams/8.6 ounces (ERD 442)
SKU: BX-RM1-A451

Box One rims have a no-nonsense low-profile design that eliminates excess material, making them some of the lightest weight double-wall rims available. A 20 x 1-1/8" rim, for example, weighs just 280 grams/9.87 ounces. Strong and true, Box One rims have single eyelets to help prevent spoke pull-through, which means higher spoke tensions are possible.

Please note, Box One lack a braking surface and are not designed to be used with rim brakes.



Note: 99 lbs rider weight limit for 20 x 1 1/8" (451mm).

We recommend a spoke tension of between 110kgf and 115kgf. But remember, every rim is different. The mark of a truly skilled wheel builder is the ability to find the highest tension a rim will allow while staying true.


Technical Data:

Download ERD [Word Doc]

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