stuie Posted April 23, 2008 Report Share Posted April 23, 2008 hello there lovely people on the trials forum.i have a profile mini on the back of my 24seven and i feel like the 16th is to big and want a 15th, has anyone before changed 1 them selfs as it looks to me like the driver is all 1 bit.thanks for the help if anyone knows anything on the subjectx Quote Link to comment Share on other sites More sharing options...
forteh Posted April 23, 2008 Report Share Posted April 23, 2008 Got a profile on my bmx and Im pretty sure you just undo the lockring with a big spanner & chainwhip. The sprockets are splined onto the cassette body (well it wouldnt be a cassette hub otherwise duh!). Pity you dont want to try a 16t as I have a spare one here Quote Link to comment Share on other sites More sharing options...
monkeyseemonkeydo Posted April 23, 2008 Report Share Posted April 23, 2008 Ok, after a little digging I can confirm that if you're running anything over about 11T (which use the one piece driver) the sprocket just sits on a splined cassette body.So yeah, you should be able to just unbolt the locknut thing that's keeping the cog on and slide it off to replace with the 15T. Instructions here. Quote Link to comment Share on other sites More sharing options...
cadbury's cream egg Posted April 23, 2008 Report Share Posted April 23, 2008 if youve got a local bikeshop take it there because you will need a lockring tool . you can use molgrips but they normally just eat away away at ityes the driver is a full piece that sits in the hubshell. oh and the sprockets are splined leon Quote Link to comment Share on other sites More sharing options...
forteh Posted April 23, 2008 Report Share Posted April 23, 2008 if youve got a local bikeshop take it there because you will need a lockring tool . you can use molgrips but they normally just eat away away at ityes the driver is a full piece that sits in the hubshell. oh and the sprockets are splined leonA decent quality large adjustable will do the trick, if not the careful application of a vice Quote Link to comment Share on other sites More sharing options...
Caleb Posted April 23, 2008 Report Share Posted April 23, 2008 i think its either 32 mm or a 34mm one, ive got a park one just for the job Quote Link to comment Share on other sites More sharing options...
Dave Anscombe Posted April 23, 2008 Report Share Posted April 23, 2008 STUIE big spanner undo the lockring cog slides off.......piss easy Dave x Quote Link to comment Share on other sites More sharing options...
Al_Fel Posted April 23, 2008 Report Share Posted April 23, 2008 hello there lovely people on the trials forum.i have a profile mini on the back of my 24seven and i feel like the 16th is to big and want a 15th, has anyone before changed 1 them selfs as it looks to me like the driver is all 1 bit.thanks for the help if anyone knows anything on the subjectxWhen you say too big do you mean too hard to pedal? If thats the case then putting a "15t" cog on the rear will make the gear feel even harder. Quote Link to comment Share on other sites More sharing options...
stuie Posted April 23, 2008 Author Report Share Posted April 23, 2008 When you say too big do you mean too hard to pedal? If thats the case then putting a "15t" cog on the rear will make the gear feel even harder.no i mean the cogs too big so gearing is to easy...i used to work in a bike shop but neva worked on a profile hub so i thought i better just ask...dave (action man) lol you kno who you are like i sed on msn earlier you a net nerd lol.thanks to you all...i will try and keep you psoted lolx Quote Link to comment Share on other sites More sharing options...
monkeyseemonkeydo Posted April 23, 2008 Report Share Posted April 23, 2008 dave (action man) lol you kno who you are like i sed on msn earlier you a net nerd lol.I know. And proud of it Quote Link to comment Share on other sites More sharing options...
stuie Posted April 23, 2008 Author Report Share Posted April 23, 2008 I know. And proud of it the only piss take is ou can ride really well to lolx Quote Link to comment Share on other sites More sharing options...
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