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Sure. It was the 52 tooth 130 BCD Deckas chainring. Shimano HG400 11-32 tooth 9 speed cassette and a KMC x9.93 9 speed chain. Should be under $100 all in.

I've got about 4000 miles on my CCX and the chain started dropping about 500 miles ago, especially when in the higher gears. I changed the whole drivetrain (chainring, chain, and cassette) and replaced the chainring with the Deckas narrow wide ring and things are much better now. 130 BCD 52...

I've got about 11,500 miles on my bosch motor in just over two years and I just started noticing a little play in the crank. I'm hoping Bosch will help me out even though I'm just past the warranty as a "good will gesture". If not, I'll be replacing the bearings myself.

Getting a new battery from Bosch solved my shutting down problem. Mine had the same symptoms as yours and eventually the battery wouldn't turn on anymore.

Check the crank bolts. I had something similar and after I snugged those bolts up the noise went away.

Just the battery.

Follow up #2. It started shutting down again. This time I got some error 530's and also the battery icon on the screen would start flashing after it cut power sometimes. I brought into the dealer and Bosch warrantied the battery. Its been good for the last few hundred miles.

Sorry, that’d be miles.

I've got 8,300 miles on mine in 18 months. No problems with the motor, but it is starting to make some new noises though. The electrical system is a little different. Its going into the shop tomorrow to get the frame mounted battery connector replaced. Its not making a good connection anymore...

My Performance Line with an Intuvia displayed an Error 500 a few seconds after powering up this morning. I hit the power button again and it cleared. No problems after that. First time seeing it in over 7000 miles. Could this be a sign of a growing problem.

Hello all, just wanted to follow up on this. I took the advice of a few people here and tightened the battery mounts and that did seem to fix it. I've had a strap around the battery since I bought the bike to hold the battery in place better but I guess that wasn't enough. Anyway, I have over a...

Hello all, just wanted to follow up on this. I took the advice of a few people here and tightened the battery mounts and that did seem to fix it. I've had a strap around the battery since I bought the bike to hold the battery in place better but I guess that wasn't enough. Anyway, I have over...

Yeah. I've jiggled all the connectors I can see on the outside. I'll take it into the shop in the next few weeks and have them look at it since it still under warranty. Thank you for your help!!

Thanks for the reply! I did tighten those and also have a strap around the battery to keep it secure. The battery doesn't move at all. I'm just thinking that the indents are causing the battery contacts to loose contact and shut the system down. However, I've tested just taking the battery...

I have a similar problem I just posted about in the Maintenance and Known Issues thread before I saw this one. Mine powers down seemingly when I hit a bump, but just randomly, and not on every ride, but its getting worse. I did notice the battery terminal on the bike where the battery plugs in...

Hi everyone, my Bosch performance line motor has started cutting out on random bumps while I am riding. Its a commuter bike just over a year old with about 6500 miles on it. It doesn't do it on every ride, but some rides it will happen more often than others. I will be riding along, hit a...