Arundel Tri Clamp

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What are the delivery costs?

We offer Free UK Delivery on all orders.

Including: Channel Islands, Isle of Man, Isle of Wight, Northern Ireland, Scottish Highlands and Scottish Islands.

Standard delivery is normally 2 - 5 working days.

International delivery costs and delivery times vary for different countries. Please see here for more information.

Christmas delivery

For guaranteed Christmas delivery please order bikes before 11am, Tuesday 20th December and all other items before 11am, Wednesday 21st December. Guaranteed Christmas delivery applies to all items with the icon, please choose your option/size to see if the specific item you are after qualifies for Christmas delivery.

This simple device clamps to the seat post instead of the seat rails, and it fits virtually all seat post shapes. No one else makes one like it. Triathletes popularized this behind-the-seat method of carrying water due to their need to hydrate like crazy, since once the bike ride was over, it still wasn’t over. It’s common to use two reserve bottles behind to dump into the front bar-mounted bottle, the one with the giant straw attached

The key to the Arundel Tri Clamp is the use of a V-block design with convex inside surfaces. This helps it fit a variety of seat posts. Round or aero shaped; it doesn’t matter. By tightening the 6mm mounting screw, the Tri Clamp will stay securely fastened, while allowing for some shock absorption. Athletes benefit in several ways: The Arundel Tri Clamp fits well and remains secure, the bottles are easy to reach and it doesn’t cost an arm and a leg

Our testing has uncovered several useful nuggets. If your rig launches bottles, try a different brand of bottle. Some are more likely to eject than others. The angle the bottles lean back is also very important. A common mistake is to mount the bottles bolt upright, which is the best way to launch one off a bike. We joke that these upright mounted styles are bottle catapults. Since our Tri Clamp is designed with a few degrees of built-in lean, your chances of keeping your bottles are improved