Dogtrousers
Kilometre nibbler
CSR7000 (Shimano 105 11sp cassette) is about £50. Can do better by shopping around. 11S chain is about £20.
Not cheap, and you can definitely spend more by choosing Ultegra or other versions, or by not shopping around. If challenged I could probably manage to spend £115.
Not cheap, and you can definitely spend more by choosing Ultegra or other versions, or by not shopping around. If challenged I could probably manage to spend £115.