Parktool sliding adapter for PRS-21/20
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if you have the old one which has been for skewers and you need an upgrade for 15mm or 20mm Axle.
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Updated at source:
Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- Creative Commons — Attribution — Noncommercial
This slider is for the old repairstand from parktool PRS-21/22 (dont know if the new one has the same size) to get the possibility to mount bikes with axles. Personally i needed one for 20mm Axles.
BOM:
- Some durable Filament (ABS/ASA/PC/PCTG), I have used some ASA from Extrudr and scaled it to 101% in X/Y
- Ruthex M8 Inserts or similar
- some M8 Screws and additive print a Handle and use the hex screw to be fast when changing the position. you could use all of them, but better take a big one. https://www.printables.com/model/94326-m8-bolt-knob https://www.printables.com/model/11205-m8-knob
- https://www.printables.com/model/953218-m8-star-knob-stud https://www.printables.com/model/1031248-m8-knob-58-mm
- a file to shorten the ruthex inserts in the square area, didnt find some M8Short inserts
- a bike
- a bikestand with 31,8mm x 31,8 square steel/aluminium horizontal beam to use this adapter
- you could build your own forkmount but the easiest way will be this one
print settings: minimum 6 walls, gyroid above 40%, also it would be perfect to use some modifierer to raise the infill on the weak spots. print it with the wide base on the buildplate so you will need nearly no supports. ah yes! use your glasses when pressing the inserts in, mine are “sunk”.
update: added a short version which takes not that much time for printing