Mechanics and Fixing Any Questions Answered

Hope are well known for making shit seat post clamps

Well... had to find it out the hard way I guess... their clamps seemed rather nice. Nicely machined, oversized clamp-bolt...

Which brand of carbon assembly paste are you using?

It's that one by Dynamic but in an old packaging (silver/blue/red)

Yeah, they look nice but alu bolt into alu nut is a big red flag.

Superstar Components do a nice & cheap UK-made CNC clamp in lots of colours, with the correct ‘steel bolt into steel pivoting nut’ design.

I have two Hope seat clamps which work fine. I don't particularly like the alu on alu screw, but they are tarty. What is your frame? Any seatclamp should work if the frame has been made to tolerance. Also, have you lined up the slot in the frame with the slot in the seat clamp?

Been told not to use normal grease as that can cause the epoxy to to swell.

EDIT Thought it was a carbon frame and seat post hence using carbon assembly paste.

Got an on one lurcher that I've just bought a hope bolt on seat clamp to replace a quick release. Got some carbon assembly paste from Halfords tho not used it yet https://www.halfords.com/cycling/bike-maintenance/bike-lube/halfords-carbon-gripper-paste-10g-651233.html

@MCamb are some model hope clamps better than others?

@ectoplasmosis direct from superstar?

Frame is perfectly fine. The seatpost slights in pretty airtight.

Yup. Lined up the slots in the back correctly.

Superstar looks nice. First have to check if the guys are shipping to Germany.

Been told not to use normal grease as that can cause the epoxy to to swell.

What epoxy?

Please say you’re using an aluminium seatpost…

I do!

Lined up the slots in the back correctly.

What is that supposed to do?

What is that supposed to do?

To be frank: I don't know. Some manufacturers say to do so. Like Wolftooth.

What is that supposed to do?

Compensate for bad clamp design, I presume 😂

You don't really want to have to rely on the clamp sliding on your frame. I know you said you greased it so it should be fine no matter what, but it can make the difference in edge cases.

Yep, last time I bought a pair it was direct from their website, but that was over a year ago.

Carbon tubes are made up of carbon and epoxy resin bonding the carbon together. The epoxy is what keeps the carbon together.

Carbon tubes are made up of carbon and epoxy resin. The epoxy is what keeps the carbon together.

Ah. Now i get it.

I do have a steel frame and an aluminium seatpost ;) So no problems with epoxy.

Could try adding something like a BBB PostFix BSP-97 Seat Clamp. I have one on my gravel bike.

"Crush it 'til it clamps!" 🤯

There seems to be a sale on too ;)

Try it 180 to the slot, it works 100% of the time 60% of the time…

Things I have been thinking about with the on going saga of the Carbon on one lurcher.

The bottom bracket is a press fit, a pf92.
-Can the bearings be replaced in situ on the frame, or do I have to remove the cups. Does that mean when the cups are removed from the frame that the cups can't be repressed in to the frame.

Or is it a case of buying the very cheapest pf92 bottom bracket cups and the replacing the bearing for some skf ones.

Can you buy the dust caps separately?

Try it 180 to the slot

A properly designed band clamp doesn't care where the slot lies.

True, but we’re not talking properly designed band clamps are we ;)

Hope seatclamps are rubbish. Alu bolt and nut, the bolt usually gives way eventually.

It is also a non standard thread, M7 which is more prevalent on cars than bicycles.