If you've got a few bikes in your stable or are forever swapping parts between bikes then this is a godsend. this one seems well made in comparison Purchased other shims before but they fail or let your seatpost slip.

The XL length of 100mm provides additional support to the seat post and frame compared to a short shim. We're on the doorstep of Flyup417 Bike Park, Cranham Woods, Cotswolds Way and an hour away from the Forest of Dean. If your item is covered by Warranty, we'll need to send this off for inspection to the brand's warranty. Winstanleys Bikes is a trading name of Winstanleys Limited, a company registered in England and Wales under number 05713842 whose registered address is at Units 8-9 Martland Court, Fourmarts Road, Wigan, Greater Manchester, WN5 0LU.besides, unless you are running a Thomson Dropper, I will bet that you will be itching to replace your old post when you replace you whole bike. Best part of being a part of the Cane Creek family: It’s very refreshing to work for a small, tight-knit company where we all share the same passions and to develop new products that make cycling better for everyone. Please enclose all your details and a covering note explaining the fault and any other useful details.

I have read on here and elsewhere that some carbon frame manufacturers are against the use of shims in their frames, so the warranty may be affected, but it’s worth checking first I guess. Items sent back to us will undergo an inspection and it may be necessary to send the item away to the manufacturer to confirm the fault.I understand there is no official standard for seat post size but I'm hoping manufacturers agree the way forward. I jumped at the opportunity to get my hands dirty working on the latest bike tech and was fortunate enough to be offered the position.