dust

Okay, so I'm a bit confused here... I replaced my stock chain last season when it had around 40,000 km on it, I was seeing red dust periodically on surrounding parts and under the sprocket cover. I did consider the sprocket spline shaft itself, but ruled it out. So I installed a new x-ring...

It's dirty I know and I know! So I've been using Dupoint Chainwax without any dust collective issue. It just came upon once the shop changed my rear tire and put some wax on my chain...it was sticky white chain lube and totally different what Dupoint wax I was using. After 500 miles, I...