- Seat clamp for rear racks
but for a 27.2mm seatpost, Cotic says the clamp must be 29.8 or 30mm
You’re confusing seatPOST size with seat CLAMP size. They are not the same thing my friend, and bike with the same size post can have different sized clamps too. It’s the external diameter of the top of the set tube which matters.Posted 4 years ago
I want to put a rack on my Cotic X – it is theframe without the rack mounts. Does have unused canti brake bosses but I think a seatpost clamp adapter will work best for me. Thinking about a Tubus Disco rack (light, strong, cheapish)
but for a 27.2mm seatpost, Cotic says the clamp must be 29.8 or 30mm. Really struggling to find one in this size – they are either 31.8 or 34.9mm. Anyone here know where to find one?Posted 4 years agoamplebrewMember
clanton – Member
Amplebrew – thanks, that would work I guess. Seems pricey for what it is and a clunky solution – I like the Mpart one – just need the right size!
I’d imagine the Salsa clamp would be a well sorted bit of kit, although admittedly I’ve no personal experience.Posted 4 years agofasthaggisMember
I had one of those snap at the clamp point,it was more of a 😯 for the rider behind me 😉 .It wasn’t overloaded (honest guv),I just think after a bit of mileage (2000ish) it had stressed the alloy with all the micro springboarding that must go on. I bought another one as they are a great solution (and quick fix ) for no braze ons. This time around I now have some extra supports P-clipped between the seat stays and the tapped holes in the rack.Posted 4 years ago
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