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£44.99
Made in the US from 6061-T6 aluminum alloy, Box Two™ Chainrings are round & true. They fit 104 BCD four-bolt cranks & are available in black anodized with laser-etched graphics from 38 to 45-teeth. ...
Available
£44.99
Made in the US from 6061-T6 aluminum alloy, Box Two™ Chainrings are round & true. They fit 104 BCD four-bolt cranks & are available in black anodized with laser-etched graphics from 38 to 45-teeth. ...
Available
£49.99
Made in the US from 6061-T6 aluminum alloy, Box Two™ Chainrings are round & true. They fit 104 BCD four-bolt cranks & are available in black anodized with laser-etched graphics from 38 to 45-teeth. ...
Available
£62.99
The Box Two Hollow Center Clamp stem is cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design & a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength. A 53mm extension stem weighs just 218g/7.7oz. By removing the rear pinch bolts & moving the mounting bolts to the middle of the stem, Box reduced the weight & E3size & eliminated a serious hazard to the rider’s knees. These stems come with either a 48mm or 53mm extension & have a 22.2mm clamping diameter. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube. Not compatible with forks that have carbon fiber steerer tubes. section Product Specs TYPE: Front Load REACH: 40mm/45mm/48mm/53mm RISE: 5mm CLAMPING DIAMETER: 22.2mm WEIGHT: 218g/7.7oz (53mm) E4 ...
Available
£62.99
The Box Two Hollow Center Clamp stem is cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design & a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength. A 53mm extension stem weighs just 218g/7.7oz. By removing the rear pinch bolts & moving the mounting bolts to the middle of the stem, Box reduced the weight & E3size & eliminated a serious hazard to the rider’s knees. These stems come with either a 48mm or 53mm extension & have a 22.2mm clamping diameter. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube. Not compatible with forks that have carbon fiber steerer tubes. section Product Specs TYPE: Front Load REACH: 40mm/45mm/48mm/53mm RISE: 5mm CLAMPING DIAMETER: 22.2mm WEIGHT: 218g/7.7oz (53mm) E4 ...
Available
£62.99
The Box Two Hollow Center Clamp stem is cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design & a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength. A 53mm extension stem weighs just 218g/7.7oz. By removing the rear pinch bolts & moving the mounting bolts to the middle of the stem, Box reduced the weight & E3size & eliminated a serious hazard to the rider’s knees. These stems come with either a 48mm or 53mm extension & have a 22.2mm clamping diameter. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube. Not compatible with forks that have carbon fiber steerer tubes. section Product Specs TYPE: Front Load REACH: 40mm/45mm/48mm/53mm RISE: 5mm CLAMPING DIAMETER: 22.2mm WEIGHT: 218g/7.7oz (53mm) E4 ...
Available
£62.99
The Box Two Hollow Center Clamp stem is cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design & a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength. A 53mm extension stem weighs just 218g/7.7oz. By removing the rear pinch bolts & moving the mounting bolts to the middle of the stem, Box reduced the weight & E3size & eliminated a serious hazard to the rider’s knees. These stems come with either a 48mm or 53mm extension & have a 22.2mm clamping diameter. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube. Not compatible with forks that have carbon fiber steerer tubes. section Product Specs TYPE: Front Load REACH: 40mm/45mm/48mm/53mm RISE: 5mm CLAMPING DIAMETER: 22.2mm WEIGHT: 218g/7.7oz (53mm) E4 ...
Available
£44.09
The Box Two Hollow Center Clamp stem is cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design & a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength. A 53mm extension stem weighs just 218g/7.7oz. By removing the rear pinch bolts & moving the mounting bolts to the middle of the stem, Box reduced the weight & E3size & eliminated a serious hazard to the rider’s knees. These stems come with either a 48mm or 53mm extension & have a 22.2mm clamping diameter. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube. Not compatible with forks that have carbon fiber steerer tubes. section Product Specs TYPE: Front Load REACH: 40mm/45mm/48mm/53mm RISE: 5mm CLAMPING DIAMETER: 22.2mm WEIGHT: 218g/7.7oz (53mm) E4 ...
Available
£61.19
The Box Two Hollow Center Clamp stem is cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design & a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength. A 53mm extension stem weighs just 218g/7.7oz. By removing the rear pinch bolts & moving the mounting bolts to the middle of the stem, Box reduced the weight & E3size & eliminated a serious hazard to the rider’s knees. These stems come with either a 48mm or 53mm extension & have a 22.2mm clamping diameter. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube. Not compatible with forks that have carbon fiber steerer tubes. section Product Specs TYPE: Front Load REACH: 40mm/45mm/48mm/53mm RISE: 5mm CLAMPING DIAMETER: 22.2mm WEIGHT: 218g/7.7oz (53mm) E4 ...
Available
£62.99
The Box Two Hollow Center Clamp stem is cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design & a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength. A 53mm extension stem weighs just 218g/7.7oz. By removing the rear pinch bolts & moving the mounting bolts to the middle of the stem, Box reduced the weight & E3size & eliminated a serious hazard to the rider’s knees. These stems come with either a 48mm or 53mm extension & have a 22.2mm clamping diameter. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube. Not compatible with forks that have carbon fiber steerer tubes. section Product Specs TYPE: Front Load REACH: 40mm/45mm/48mm/53mm RISE: 5mm CLAMPING DIAMETER: 22.2mm WEIGHT: 218g/7.7oz (53mm) E4 ...
Available

Box Two Center Clamp Race Stem

The Box Two Hollow Center Clamp stem is cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design and a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength. A 53mm extension stem weighs just 218g/7.7oz. By removing the rear pinch bolts and moving the mounting bolts to the middle of the stem, Box reduced the weight and E3size and eliminated a serious hazard to the rider’s knees. These stems come with either a 48mm or 53mm extension and have a 22.2mm clamping diameter. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube. Not compatible with forks that have carbon fiber steerer tubes. section Product Specs TYPE: Front Load REACH:
40mm/45mm/48mm/53mm RISE: 5mm CLAMPING DIAMETER: 22.2mm WEIGHT: 218g/7.7oz (53mm) E4
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    • Availability: In Stock
    • Supplier: Sourcebmx
    • SKU: 31262214881391
    Availability: In Stock
    £44.09

    Product Description

    The Box Two Hollow Center Clamp stem is cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design & a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength. A 53mm extension stem weighs just 218g/7.7oz. By removing the rear pinch bolts & moving the mounting bolts to the middle of the stem, Box reduced the weight & E3size & eliminated a serious hazard to the rider’s knees. These stems come with either a 48mm or 53mm extension & have a 22.2mm clamping diameter. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube. Not compatible with forks that have carbon fiber steerer tubes. section Product Specs TYPE: Front Load REACH: 40mm/45mm/48mm/53mm RISE: 5mm CLAMPING DIAMETER: 22.2mm WEIGHT: 218g/7.7oz (53mm) E4

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    Jargon Buster

    Diameter - A measurement across a circle passing through the middle
    Carbon - A common element, in its simplest form is coal. The element can take different form from hard diamonds through graphite to soft carbon
    Fiber - Also known as fibre is a class of material similar to a length of thread. Fiber Optics are used in computer communications. Natural fibers are used in clothing maufacturer and many other applications.
    weight - A measure of the force applied on an object by gravity. Measured metric in grams and kilos or imperial in lbs and oz
    40mm - The equivilent of 4cm
    Quality - An object that has quality is superior in function and finish than a less quality object.
    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
    Extension - Something that is made bigger through adding to it, for example a conservatory extension on a house.
    Design - A drawing or styles that shows the look and functionality of something before its made.
    Hollow - Something that has an empty space inside.

    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: 2024-02-27 09:26:38

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