Minimalist chain keeper
prusaprinters
Should work for a bunch of frame/chainring combinations. You can swing the keeper about the mount to accommodate different chainring sizes. Customizable with the following parameters: Chainline: default is 50 mm SeatTubeDia: default is 34.9 mm Edit these two parameters to get the proper stickout from your frame to the chainring. I recommend measuring it manually (see Sheldon Brown). How I Designed This Inspired by the Canyon chain keeper included with the Lux CF SLX 9.0 (https://www.bikeradar.com/us/mtb/gear/category/bikes/mountain-bikes/full-suspension/product/canyon-lux-cf-slx-90-pro-race-review-52081/). Credit goes to Plamen Cherkezov for creating the frame model & Morar Adrian for the SR Apex crankset model, over on GrabCAD. Pictures from BikeRadar & PinkBike. Hardware Designed for two M4 x 20 socket head cap bolts & two M4 locknuts (7 mm width by 5 mm height). You'll also need an M5 x 20 countersunk head bolt to attach the keeper to the mount, & a corresponding nut (8 mm width by 5.2 mm height). Category: Replacement Parts
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