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4130 Chromoly Fork as supplied with our On-One Bootzipper 650 frame.

Tapered steerer, with 405mm A-C dimension, and 47mm rake.

Comes with axle.

100x12mm spec.

Post mount disc brake.

250mm steerer length, not suitable for size XL frames Full Description

From £39.99 Was £79.99 50% off



Matt Black
1 in stock £79.99
Raw Phosphate
10 in stock £39.99 Was £79.99 50% off

Designed for the Bootzipper650 frame, this is a NON suspension corrected rigid fork and similar length to a gravel fork.

85mm space between the legs at the top mean a 2.4in tyre is the biggest we'd ever recommend in there.

Weight is tbc.

Triple bosses, spaced for bottle/racks on each fork leg.

Additional Information

Product Code:FOOOBZ650

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Sizing Guide

Rider HeightSuggested Frame Size
5′4″ to 5′7″ Small
5′7″ to 5′10″ Medium
5′10″ to 6′1″ Large
6′1″ to 6′3″ X-Large

Sizing Notes

All frame size recommendations are approximate. A good fit will also depend on the correct choice of stem length, correct bike set-up for the rider and riding style.

Correct frame size choice can vary greatly with riders' torso length. If you have longer legs and a shorter torso, go for a slightly shorter stem. If you think you are borderline between sizes, and you have longer legs and a shorter torso, go for the smaller frame size. If you have shorter legs and a longer torso, go for the larger frame size to get the extra top tube length.

As the frame sizes increase, so does the length of the head tube. If you are inflexible or perhaps have a history of back problems, consider going for a larger frame size. This will increase the relative height of the handlebars making the position less “extreme”. The larger frame will also have a longer top tube, so you’ll need to compensate for this with a shorter stem.


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