Do you mean the rounded end ? As the bolt on that picture in the link looks exactly the same as the one i snapped. Or am i just confused
To quote Thomson from their website:
Q - I lost my bolts, and I can't find any at the hardware store. Are they special? Where can I get some?
A - Our bolts have been specially designed to work with the Thomson seatpost.
First of all, there is a spherical radius under the head of the bolt, which allows the force to be evenly distributed across the bolt head, as the bolt swivels during seat adjustment. A standard bolt does not have this feature, and would be more likely to break. Our bolts are made of a high strength steel alloy, and go through and extra manufacturing process that increases their fatigue lives.
Finally, Thomson seatpost bolts are plated to prevent rust and corrosion. As you can see, bolts from the hardware store would be very poor replacements for Thomson bolts, and would cause failure and void the warranty. Contact your local bike shop for replacement bolts. The bike store may order bolts from our distributors. Only Thomson bolts may be used on Thomson seatposts.
Your Bonty post will not be designed to work with such bolts. It my well work, but I suspect not, so why risk it when a good hardware shp will have a normal bolt as per the spec of Bontrager.
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