Shimano dura ace 7700 sti

[MartinB123]

May have a cassette!

 

[sd217]

Bloody hell i should have just sent you a list is it 12-27 ?
Im fat and old and need as much help as possibble let me know if you can help cheers Martin send me some pics

 

[MartinB123]

Will check, the bike is new to me so unsure of the cassette!

 

[MartinB123]

the largest cog is a 23 so I can't help you i'm afraid