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Seatpost Clamps

Seat post clamps provide that neat finishing touch to your frame, they are often available in anodised colours to match the rest of your bike. We list a range of clamps with both quick release for quick and simple saddle height adjustment, as well as traditional allen key versions, ideal for the times when security is a priority.
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  • Foil Seatclamp 2016 Onwards
    £50.00
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  • Internal Seatpost Wedge For SuperX 2017/Synapse Carbon 2018
    £40.99 RRP £44.99 | Save £4.00
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  • Quick Release Seatpost Clamp
    £40.00
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  • Seatpost Collar
    £37.00
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  • C64 Seat Seatpost Clamp Fitting
    £36.95
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  • KNOT System Six Aero Seat Binder
    £35.99 RRP £39.99 | Save £4.00
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  • Integrated Concept Seatpost Clamp
    £34.95
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  • Integrated K-ONE Seatpost Clamp
    £34.95
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  • Integrated V2R Seatpost Clamp
    £34.95
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  • Dropper Seat Clamp
    £30.00 RRP £33.00 | Save £3.00
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  • Prime RS Seatpost Clamp (2017)
    £30.00
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  • Seatpost Clamp
    £27.00
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  • 28.0mm Seatpost Clamp For CAAD 12/S6 Evo 2 2016/Synapse Alloy 2018
    £26.99 RRP £29.99 | Save £3.00
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  • Stainless Steel Seatpost Clamp
    £26.99
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  • Quick Release Seat Clamp
    £25.00 RRP £27.50 | Save £2.50
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  • CAAD13 Internal Seat Binder
    £24.99
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  • Defy Advanced Integrated Seat Clamp For D-Fuse Seatposts
    £20.99
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  • Bolted Seat Clamp
    £20.00 RRP £22.00 | Save £2.00
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  • 34.9mm Seatclamp With Titanium Bolt
    £20.00
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  • 37.8mm QR Seatclamp For Scale
    £20.00
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  • 37.8mm Seatclamp With Titanium Bolt
    £20.00
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  • Seatclamp With Ti Bolt - 39.9mm
    £20.00
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  • 27.2mm Internal Seat Binder
    £19.99
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  • KNOT System Six Seatpost Clamp Hardware
    £19.99
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  • Replacement Seatclamp For Addict RC (2020)
    £19.99
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  • S6 EVO Internal Seat Binder V2
    £19.99
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  • 38.1mm Seatbinder
    £17.99
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  • Constrictor Seatpost Clamp
    £17.99
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  • Seatclamp For Older Models (XTC Advanced/Trance/Anthem Advanced)
    £15.99
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  • 34.9mm Seatclamp (Kalloy SC202)
    £15.00
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  • 38.9 mm Seatclamp (JD-RC)
    £15.00
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  • 38.4mm QR Seatclamp (JD-MC)
    £15.00
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  • 30.9mm Seatbinder
    £13.99 RRP £14.99 | Save £1.00
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  • QR Seatbinder (31.8mm)
    £12.99
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  • TCR/Defy Vector Aero Seat Clamp
    £11.99
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  • 34.9mm Quick Release Seatpost Clamp
    £11.49 RRP £12.99 | Save £1.50
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  • 34.9mm Seat Clamp For Bad Habit 2016-2017/Habit 2016
    £11.49 RRP £12.99 | Save £1.50
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  • Propel Advanced Seatpost Clamp
    £10.99
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  • TCR Advanced & Advanced Pro Seat Clamp
    £10.99
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  • Addict Seatclamp (30.2mm)
    £10.00
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  • Solace Seatclamp (31.2mm)
    £10.00
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  • 31.8mm Kalloy Bolted Seatclamp For Sub (2014) And Speedster (2018)
  • 31.8mm Kalloy QR Seatclamp
    £10.00
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  • 34.4mm Bolted Seatclamp For CR1 (2013)
    £10.00
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  • 34.9mm QR Seatclamp
    £10.00
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  • 34.9mm Seatclamp With Cromoly Bolt
    £10.00
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  • 38.9mm QR Seatclamp For Gambler (2008)
    £10.00
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  • Revox MGN Seatpost Clamp
    £10.00
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View 48

Even in an office full of diehard cyclists, it’s often difficult to get people excited when talking about Seatpost Clamps - these clamps however, are some of the most important components of any bike. Seatpost Clamps are a small, but mighty components, without which would render a bike completely unrideable. These clamps are a circular metal ring/collar which sits at the top of the seat tube, gripping the tube and holding the seat-post in place, ensuring that the saddle/seat does not spin round, whilst ensuring the seat-post does not retreat into the frame of the bike. 

Although bikes do come with a seat-post clamp as standard, there may be a few reasons to buy one - many customers buy these clamps to improve how their bike looks, or are buying a new clamp to replace an older, damaged clamp. Common damage on seat-post clamps includes stripped threads, providing an un-secure fit. 

Materials and designs of seat-post clamps remain the same, across all kinds of different bikes - including BMX’s, Mountain Bikes, as well as Road Bikes. Although there are a few considerations to consider. One of the most important factors with any Seatpost Clamp is the internal diameter of the clamp - which for obvious reasons must match up. To make things a little easier, there are five different seat diameters available on the market, which are as follows: 

  • 28.6mm
  • 30.0mm
  • 31.8mm
  • 34.9mm
  • 36.4mm 

A lot of Seat Clamps sold also feature a quick release closure, which uses a small yet strong lever to close the collar on the seat clamp - which means you can open and close the clamp quickly and easily. This is ideal for riders who look to adjust the height of their seat whilst out riding, mostly mountain bike riders looking for a different body position on downhill trails. Although there are clear benefits of using QR seat clamps, many riders choose not to use them - especially commuters who can have their seat stolen quickly. The rock solid grip of a bolt closure seat clamp is also better for road cyclists who want a secure grip. 

At Westbrook Cycles, we stock a fantastic range of Seat Clamps - working with the very best cycling component companies adding not only a stylish addition to your frame, but an important one too. Brands within this range include 3T, BMC, Cannondale, Colnago, Wolf Tooth Components and Scott

You can view the full range above, and as always - please do get in touch if you have any questions about the collection.

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