OEM Projects

We are always looking to work with other like-minded businesses who have a passion for innovation and collaboration. We've already worked with a handful of companies around the world to help bring their ideas to market; and in doing so, have worked on a wide variety of bikes from fat-tyre cruisers, to small 16-inch folders, and everything in-between. 

 

If you would like to work with us, please fill in the below form and we will get back to you as soon as possible. 

Case Studies

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Gear Ratio & Inch Calculator

Find Your Optimal Drive Ratio 

Don't guess how the GTRO will feel—calculate it. Input your available front and rear gear options to see exactly how they translate into real-world performance. This tool helps you confirm that your specific setup covers the range you need for both climbing and cruising.

Gear Ratio & Inch Calculator

Gear Equiv. Front Gear Ratio Gear Inch
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Your Sample Request

GTRO 3 - Speed Gearbox

GTRO 3 - Speed Gearbox

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Shifter Type

Shifter

Shifter Installation

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Bottom Bracket Size

Bottom Bracket

Non-standard sizes are avalible, but cost and avalibility may vary. 

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Pre-Tensioner Position

Pre-Tensioner Position

Pre-Tensioner Guide

Please ensure you read our pre-tensioner guide before requesting your cable length.

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Free delivery

 Unrivalled Service

Made In Britain

Custom Built

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