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£85.49
The Box One Brake Arms are cold forged & CNC-machined from 6061-T6 aluminum. Cold forging produces the strongest, stiffest, lightest weight & most durable bicycle parts. Both sizes feature 35 millimetres of vertical brake pad adjustment—more than most linear-pull brakes. Other features include precision sealed bearing pivots, titanium & stainless steel hardware, a flexible cable noodle & streamlined cable fixing point. ...
Available
£85.49
The Box One Brake Arms are cold forged & CNC-machined from 6061-T6 aluminum. Cold forging produces the strongest, stiffest, lightest weight & most durable bicycle parts. Both sizes feature 35 millimetres of vertical brake pad adjustment—more than most linear-pull brakes. Other features include precision sealed bearing pivots, titanium & stainless steel hardware, a flexible cable noodle & streamlined cable fixing point. ...
Available
£85.49
The Box One Brake Arms are cold forged & CNC-machined from 6061-T6 aluminum. Cold forging produces the strongest, stiffest, lightest weight & most durable bicycle parts. Both sizes feature 35 millimetres of vertical brake pad adjustment—more than most linear-pull brakes. Other features include precision sealed bearing pivots, titanium & stainless steel hardware, a flexible cable noodle & streamlined cable fixing point. ...
Available
£85.49
The Box One Brake Arms are cold forged & CNC-machined from 6061-T6 aluminum. Cold forging produces the strongest, stiffest, lightest weight & most durable bicycle parts. Both sizes feature 35 millimetres of vertical brake pad adjustment—more than most linear-pull brakes. Other features include precision sealed bearing pivots, titanium & stainless steel hardware, a flexible cable noodle & streamlined cable fixing point. ...
Available
£85.49
The Box One Brake Arms are cold forged & CNC-machined from 6061-T6 aluminum. Cold forging produces the strongest, stiffest, lightest weight & most durable bicycle parts. Both sizes feature 35 millimetres of vertical brake pad adjustment—more than most linear-pull brakes. Other features include precision sealed bearing pivots, titanium & stainless steel hardware, a flexible cable noodle & streamlined cable fixing point. ...
Available
£94.99
The Box One Brake Arms are cold forged & CNC-machined from 6061-T6 aluminum. Cold forging produces the strongest, stiffest, lightest weight & most durable bicycle parts. Both sizes feature 35 millimetres of vertical brake pad adjustment—more than most linear-pull brakes. Other features include precision sealed bearing pivots, titanium & stainless steel hardware, a flexible cable noodle & streamlined cable fixing point. ...
Available
£53.99
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 1.75 rim, for example, weighs just 362 grams/12.7 ounces. Strong & true, Box One rims have single eyelets to help prevent spoke pull-through, which means higher spoke tensions are possible. Available in 36-hole 20 & 24 x 1.75-inch, & 28-hole 20 & 24 x 1 1/8-inch sizes. Meets or exceeds ENBMX standards. Note: 99 lbs rider weight limit for 20 x 1 1/8" (451mm) & 24 x 1 1/8" (520mm) rims section Product Specs WHEEL

Size:
20" SEAM: Welded ERD: 394-596

Height:
14.3mm

Width:
17.5mm SPOKE HOLES: 24-36 WEIGHT: 20” x 1.75 (406mm): 362 grams/12.7 ounces 20” x 1 1/8 (451mm): 280 grams/9.87 ounces 24” x 1.75 (507mm): 432 grams/15.2 ounces 24” x 1 1/8 (520mm): 343 grams/12.1 ounces





...
Available
£53.99
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 1.75 rim, for example, weighs just 362 grams/12.7 ounces. Strong & true, Box One rims have single eyelets to help prevent spoke pull-through, which means higher spoke tensions are possible. Available in 36-hole 20 & 24 x 1.75-inch, & 28-hole 20 & 24 x 1 1/8-inch sizes. Meets or exceeds ENBMX standards. Note: 99 lbs rider weight limit for 20 x 1 1/8" (451mm) & 24 x 1 1/8" (520mm) rims section Product Specs WHEEL

Size:
20" SEAM: Welded ERD: 394-596

Height:
14.3mm

Width:
17.5mm SPOKE HOLES: 24-36 WEIGHT: 20” x 1.75 (406mm): 362 grams/12.7 ounces 20” x 1 1/8 (451mm): 280 grams/9.87 ounces 24” x 1.75 (507mm): 432 grams/15.2 ounces 24” x 1 1/8 (520mm): 343 grams/12.1 ounces





...
Available
£53.99
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 1.75 rim, for example, weighs just 362 grams/12.7 ounces. Strong & true, Box One rims have single eyelets to help prevent spoke pull-through, which means higher spoke tensions are possible. Available in 36-hole 20 & 24 x 1.75-inch, & 28-hole 20 & 24 x 1 1/8-inch sizes. Meets or exceeds ENBMX standards. Note: 99 lbs rider weight limit for 20 x 1 1/8" (451mm) & 24 x 1 1/8" (520mm) rims section Product Specs WHEEL

Size:
20" SEAM: Welded ERD: 394-596

Height:
14.3mm

Width:
17.5mm SPOKE HOLES: 24-36 WEIGHT: 20” x 1.75 (406mm): 362 grams/12.7 ounces 20” x 1 1/8 (451mm): 280 grams/9.87 ounces 24” x 1.75 (507mm): 432 grams/15.2 ounces 24” x 1 1/8 (520mm): 343 grams/12.1 ounces





...
Available
£53.99
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 1.75 rim, for example, weighs just 362 grams/12.7 ounces. Strong & true, Box One rims have single eyelets to help prevent spoke pull-through, which means higher spoke tensions are possible. Available in 36-hole 20 & 24 x 1.75-inch, & 28-hole 20 & 24 x 1 1/8-inch sizes. Meets or exceeds ENBMX standards. Note: 99 lbs rider weight limit for 20 x 1 1/8" (451mm) & 24 x 1 1/8" (520mm) rims section Product Specs WHEEL

Size:
20" SEAM: Welded ERD: 394-596

Height:
14.3mm

Width:
17.5mm SPOKE HOLES: 24-36 WEIGHT: 20” x 1.75 (406mm): 362 grams/12.7 ounces 20” x 1 1/8 (451mm): 280 grams/9.87 ounces 24” x 1.75 (507mm): 432 grams/15.2 ounces 24” x 1 1/8 (520mm): 343 grams/12.1 ounces





...
Available

Box One Race V-Brakes

The Box One Brake Arms are cold forged and CNC-machined from 6061-T6 aluminum. Cold forging produces the strongest, stiffest, lightest weight and most durable bicycle parts. Both sizes feature 35 millimetres of vertical brake pad adjustment—more than most linear-pull brakes. Other features include precision sealed bearing pivots, titanium and stainless steel hardware, a flexible cable noodle and streamlined cable fixing point.
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    • Availability: In Stock
    • Supplier: Sourcebmx
    • SKU: 31227722334319
    Availability: In Stock
    £85.49

    Product Description

    The Box One Brake Arms are cold forged & CNC-machined from 6061-T6 aluminum. Cold forging produces the strongest, stiffest, lightest weight & most durable bicycle parts. Both sizes feature 35 millimetres of vertical brake pad adjustment—more than most linear-pull brakes. Other features include precision sealed bearing pivots, titanium & stainless steel hardware, a flexible cable noodle & streamlined cable fixing point.

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    Jargon Buster

    Stainless steel - A stain and corrosion resistant steel blend
    Steel - An alloy made predominately of Iron combined with <2% carbon
    Cable - A series of wires bonded to form a single thread
    weight - A measure of the force applied on an object by gravity. Measured metric in grams and kilos or imperial in lbs and oz
    Weight - a measurement of how heavy an object appears due to the pull of gravity. For example the weight of an object on planet earth will be different to the weight of the object on the moon
    Feature - An attribute that makes something stand out.

    Supplier Information

    Sourcebmx
    Ride in style with Source BMX (https://www.sourcebmx.com/). Explore a vast selection of BMX bikes, parts, accessories, and apparel for riders of all levels. With top brands and expert advice, Source BMX ensures you have everything you need for your next session. Elevate your BMX experience and unleash your passion for riding with Source BMX.
    Page Updated: 2026-01-29 13:55:46

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