Cannondale Jekyll Bearing and Cup Press Tool
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Bearing and Si Cup Press tool for Cannondale Jekyll Lefty's (lefty) also includes smaller 17mm bearing press for pivots.
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Model information
- Source
- Printables
- Category
- Tools
- License
- Creative Commons — Public Domain
Made some reversable models (only need to print 1 of each to achieve both tasks, when tools are flipped then can act as retention for opposing side.) so I didn't have to spend $40 on a proprietary Bearing and cup tool for my early 2000's Lefty and couldn't find anyone else who made one. This should also work on any Cannondale that still uses Si Bearing Cups, and some internal steerer tube cups as well. In my particular application, I mated a Lefty 2.0 with an older Cannondale Jekyll 800.
Items needed:
1x Longest , ½ inch bolt I could find, about 8.25 inches long with 6 inches of thread. (could go 1-2 inches shorter but I wouldn't go less than that.)
1x Matching Nut (i got 2 just incase one sh*t the bed (idk))
4x Large washers to spread torque evenly (2 different sizes)
Printed at: .2 layer height and 50% infill
P.s
Be gentle with the 17mm bearing tools as retention is very thin, mine worked fine, just be mindful.
*Use the static side of the bolt to be the main side where you're driving from. For example, If wanting to get Cup side in that will be on the side of the bolt that doesn't require a nut for added stability. and vice versa on the bearing side.
If this helps you, I would love to hear that making this helped others.