DiamondBack Topanga bottom bracket removal, check & repair?

[Offroader]

Re: Re:

There looks to be heavy wear to the cassette and chain which would explain the slipping. The front rings will almost certainly be past it too.

Compare your sprockets to the tooth profiles on this and you'll see what I mean: https://www.wiggle.co.uk/shimano-cs-hg4 ... -cassette/

The good news is that 7 speed cassettes and chains are dirt cheap:

https://www.wiggle.co.uk/shimano-hg40-6-78-speed-chain/

https://www.merlincycles.com/sram-pc850 ... 44531.html

Rings though :? more of an issue.

SP

Aye, well the bike's really been put through it's paces the past five years in particular & the gears have been put to severe test so it finally comes as no surprise that replacement parts are required.

Thanks for your reply.