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For those who have asked, we have delivered, and what a specimen we found to overhaul this time!

At Performance Line Bearings, we are now the UK supplier for "MudStop". The Bosch bearing cover developed by Velo Lab. This is a product that has been proven to greatly extend the useful life of the Bosch main motor bearing. We have also added complete Bosch motors to our site. These currently...

You are all probably aware of the service repair kit Bosch released recently. Designed to replace all the bearings and plastic gears on the right-hand side of the motor. What we have found is these bearings usually fail due to water ingress. The problem is, water also gets in through the...

I thought anyone running a Bosch motor may find this interesting? I have loaded this as a pdf because there are several large photographs showing wear and tear shots from a Bosch Performance Line motor after 20,000 kilometres. What we found was fairly definitive proof of how far one of these...

After starting with the Bosch motors we have just completed a Yamaha PW motor strip and overhaul. And, I have finally sourced the grooved bearings, seals and O-rings, now all available on my site. We are currently working on the Impulse-2, Panasonic and Brose. Much more content will be added...

Performance Line Bearings are looking for partners world wide to help supply a much needed service for customers with ebike motors without warranty. As you’re probably aware, many ebike motors are now coming to the end or already out of warranty. We are offering a solution for your customers...

As a relative newbie on this site, I thought I would introduce myself properly and say a bit about what I do and why I did it! A few months ago I had a crankshaft bearing fail on my Bosch motor. No problem I thought, as it's out of warranty, I'll strip it down and buy a new bearing. Turned out...