this is your solution

Rings sold separately

These are a 'slip-on' style knee pad with Velcro straps at the top and bottom of the pads that are used to adjust the fit

Perfect chainline 49mm (corrected from stock 50

Perhaps best of all

AlpineStars Paragon Plus Elbow Pads - L - Black Do Not Ship Internationally this is your solutionLightweight, durable, and flexible, the Paragon Plus will keep the you safe from gravel rash and some bigger impacts without being bulky and uncomfortable. Who's it for? Anyone wanting to make sure they don't have to pick bits of gravel out of their elbows. Protection style? Firm, yet flexible guard for great impact protection, but reasonably unrestricted movement. Materials? Elastic, mesh, and rip stop materials strategically placed to give abrasion