Tool for Bottom Bracket Removal

[ashworthacca]

Hi, can anyone give me a link to a tool that will remove this bottom bracket and the lock ring please.

I've stripped the bike down fully now but need a tool to finish the BB. I'll be getting the frame resprayed before I rebuild it. Thanks all.

 

[lpretro1]

You can tap the lock ring off with a blunt nosed punch and hammer. Then you need one of these ideally. - www.parktool.com/product/adjustable-cup-wrench-hcw-11. You can mange without the tool usually - a pair of adjustables around the projecting flanges on NDS- assuming it's not horribly seized in there. For DS you need one of these /www.parktool.com/product/crank-and-bottom-bracket-wrench-hcw-4. These can be a so and so to get out as the flange is so narrow. If you can't get it off you can just about get fingers in to remove old bearings, clean and refit from other side. Bit fiddly but have done it loads of times. Better to fit a sealed unit type BB - but if you can't get DS cup out you won't be able to. Probably easiest to ask your local friendly LBS to do for you expect about £5 assuming it ain't seized up.

 

[grumpyoldgit]

That frame should come with a health warning

 

[Sheffield_Tiger]

You can tap the lock ring off with a blunt nosed punch and hammer. Then you need one of these ideally. - www.parktool.com/product/adjustable-cup-wrench-hcw-11. You can mange without the tool usually - a pair of adjustables around the projecting flanges on NDS- assuming it's not horribly seized in there. For DS you need one of these /www.parktool.com/product/crank-and-bottom-bracket-wrench-hcw-4. These can be a so and so to get out as the flange is so narrow. If you can't get it off you can just about get fingers in to remove old bearings, clean and refit from other side. Bit fiddly but have done it loads of times. Better to fit a sealed unit type BB - but if you can't get DS cup out you won't be able to. Probably easiest to ask your local friendly LBS to do for you expect about £5 assuming it ain't seized up.

For the drive side you need an M16 x 90 bolt, 2 nuts and lockwashers, a 24mm spanner, 24mm socket (deep preferably) and a breaker bar. Screw one nut onto the bolt and down to the shank (non threaded section) then slide a lockwasher down onto the nut - pass this through the drive side cup from the non-drive side, then screw the second nut on again with a lockwasher between nut and cup, sandwiching the cup. Use the socket on the bolt head, and the spanner on the exposed nut, tighten the 2 down onto the cup REALLY TIGHT. Then when the nuts are well and truly locked on, (assuming a left hand thread) take the socket and breaker bar, put it over the exposed nut and turn clockwise - you'll need the frame upside down on the floor and to be standing on the seat stays. But it works, even on old bikes, without tools trying to grip thin surfaces and without grazed or broken knuckles.

Only one has ever beaten me using this method and I have removed A LOT of fixed cups on old bikes.

 

[ashworthacca]

That frame should come with a health warning

Haha, it's been in my outhouse for the best part of the last 12 years so I'm using it to learn about maintaining bikes.

 

[ashworthacca]

Thanks guys, quite a bit to take in there so I'll see how I get on and shout out if I need any other help.

 

[ashworthacca]

The drive side came off relatively easy, it was the lock ring on the NDS that I just couldn't move...but I have just managed to get it off and the NDS BB out using an adjustable pipe wrench. Quite easy in the end.

Thanks for the input guys, very much appreciated.