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Bike pump replacement cap - Topeak Pocket Rocket — image 1
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Bike pump replacement cap - Topeak Pocket Rocket

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A replacement valve-head retaining screw for a Topeak Pocket Rocket bicycle pump including printed thread.

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Creative Commons — Attribution

The screw cap that retains the valve head  (where the valve connects) fell off my Topeak Pocket Rocket bicycle pump. This made me sad, as it is a good pump. 

I made this part to replace it, including the internal thread which is a bit of a weird size/pitch combination so would be difficult to tap.

Printed with a Prusa MK4 using prusament PETG , using a 0.4mm nozzle, and the “0.1mm FAST DETAIL” print settings with 100% rectilinear infill. 

Printed part should screw directly on to pump head - be careful not to cross-thread it the first time as it is a tight fit.

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