![]() ![]() No movement, no creaking, no frame damage. If the frame is worn to the point that the bearing can be pushed in easily by hand or they basically fall out, you’ll need VibraTite538 or Loctite 638, which we package with our Shimano bearing repair kits.Ī bonded-in bearing can’t move anymore. We prefer VibraTite530 or Loctite 609 for STANDARD frames where the bearings still require the use of press tool. ![]() We advocate bonding the bike bearings into the frame with a Loctite-style product. As long as you get on it right away there won’t be any lasting damage to your Trek MTB. Yes, every time you pedal a stroke and hear a creak from a loose bearing you are causing damage to your carbon frame. This causes creaking, which is annoying, but the real danger here is that this loose condition leads to ovalization of the bearing bores in the carbon frame, and that ain’t good. The first and most common reason for mountain bike creaking occurs when the bottom bracket bearings start moving around in the frame with each pedal stroke. Let’s talk about the two major reasons why Trek BB90 and BB95 bikes creak, and then I’m going to tell you how simple it is to make sure creaks don’t happen to you anymore. ![]() Get it wrong and you’re hating life because of mountain bike creaking. Get it right and you’re riding on a dream. With Trek BB90 bearings the setup is everything. Our answer to them is simple: You’re not doing it right. We get a lot of grief for saying things like this because there are legions of BB90 haters out there who are convinced it is the worst thing since unsliced bread. Trek BB90, and its mountain bike sibling BB95, are excellent bottom bracket systems. ![]()
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