We list 31.8mm clamps from ICE, plus Gusset Clench in 28.6mm, 31.8mm and 34.9mm. The Speed Components Power Clamp Bolt lists 26.8mm, 31.8mm and 34.9mm.
How do I measure the seat clamp size I need?+
Measure the outside diameter of your frame seat tube where the clamp sits. Match that to the clamp size on the product page, or ask us.
What colours do ICE seat clamps come in?+
The ICE 31.8mm clamp comes in Black, Blue, Purple, Silver, Gold and Red. Each colour is its own listing.
Do you stock quick release clamps?+
Yes. The Box Two Quick Release Seat Clamp comes in Black, Blue and Red.
Seat clamps for BMX and MTB
Find a seat clamp to suit your frame from ICE, Box, Gusset and Speed Components. ICE 31.8mm clamps come in Black, Blue, Purple, Silver, Gold and Red, while the Box Two Quick Release comes in Black, Blue and Red. The Gusset Clench lists 28.6mm, 31.8mm and 34.9mm, and the Speed Components Power Clamp Bolt lists 26.8mm, 31.8mm and 34.9mm. Check the outside diameter of your seat tube before you order. Not sure which size you need? Ask us. We ship across the UK.