Ker-ching!!! (£££)

My jump bike's transmission is worn out. To replace it...

e. thirteen guide ring. - £26.99
On-One groove armarda sprockets x2 (@ 15.56 each plus £2.00 postage) - £33.12
KMC Z610HX chain - £9.99

Total - £70.10 (!!!)

I never realised how much monew went into quality (disposible) components! When you consider it though, its no different to pretty much any other bike. My XC bike for instance...

Inner chain-ring (cheapest found) - £4.99
Middle chain-ring (cheapest found) - £7.99
Outer chian-ring (cheapest found) - £13.99
Cassette (SRAM 8-spd 11-28t) - £15.99 (I alternate sprockets on the SS you can count this twice. ie: I have to replace SS sprockets half as often). - £31.98
Chain (Sram 8-spd - cheapest) - £9.99

Total - £68.94