Seat clamps

Replacement seat clamp bolt for BSD frames.

Seat clamp bolt for Subrosa frames. Fits some others, too!

Alloy Seat clamp from Jet BMX. This alloy clamp and uses a 6mm clamping bolt and keeps your seat post firmly in place. Size: 25.4mm. Weight: 31g.

Our very own range of Titanium products now available at Source BMX. Helping to keep the weight of your bike down to a minimum the Source BMX Titanium Seat Clamp Nut and Bolt is made from high-quality grade 5 titanium with an average 40% weight saving when compared to the steel alternative. Replacement seat clamp nut & bolt to be used on most frames that use the integrated style seat clamp with a separate nut & bolt. When installing these on your bike please use adequate lubrication or anti-seize to prevent corrosion, seizing or cold welding. Blot size: M6 x 20mm Weight: 4g

Lightweight Aluminum quick release seat clamp from Jet BMX. This seat clamp offers great clamping power whilst also allowing for quick adjustment fir all your post race cool down needs!Available in a range of sizes to fit your BMX race frame. Note the sizes reference the inner diameter of the seat clamp.

Alloy seat clamp from Salt. The Am seat clamp is made from 6061 T6 alloy with a CNC finish and features a simple slim one bolt design. Size: 25.4mm. Weight: 18g / 0.63oz.

Super light seat clamp from S&M. 5mm allen key bolt clamps the whole thing together. Size: 25.4mm. Weight: 25g / 0.88oz.

Super light seat clamp from S&M. 5mm allen key bolt clamps the whole thing together. 30mm I.D. for 27.2mm seatpost. Size: 30mm. Weight: 25g / 0.88oz.

QR-1 seatpost clamps are cold forged and CNC machined from 6061-T6 aluminum alloy. The QR-1, as the name implies, has a quick release lever, making seat height adjustments a snap. Weighing just 30 g/1.1 oz in the 31.8" size, it’s as lightweight as it is tough.

Easy to use quick release clamp for BMX and larger bikes. As seen on the 2021 Sunday High C.

Ultra light seat clamp from The Shadow Conspiracy. 5mm single hex bolt. Available in black only. Size: 25.4mm. Weight: 19.8g / 0.7oz.

The Master Clamp features a custom bolt design, that fits both a 5mm and 6mm allen key. This seemingly small feature makes things just a little bit simpler, because we all know the feeling of grabbing the wrong size allen key wrench. This also means no matter which seat system you use, you'll still only need one allen key to adjust the entire seating setup. Beyond the bolt, the seat clamp is made from industry standard 6061-T6 aluminum and features a slim, low profile design. Weight: 19.8g / 0.7oz.

Odyssey ultra-slim 2014-T6 aluminum seat clamp with replaceable hardware and self-aligning nut.

T6 aluminum seat clamp with replaceable hardware and self-aligning nut. Size: 25.4mm.

Quick realease seat post clamp from S&M. Available to fit either a 25.4mm or 27.2mm or seat post.

Box Two Fixed Seat Clamps are made from the finest 6061-T6 aluminum and cold forged for strength. They are available in multiple sizes to suit a wide variety of seat tubes and riding styles.

The Federal investment cast chromoly seat clamp features a raised, logo as seen on the DLX frame. Size: 25.4mm.

Slim, light Full CNC 6061-T6 alloy seatclamp for use with standared 25.4mm seatposts.

The Chevron quick release seat clamp is a clean, strong and lightweight design. Featuring Chevron logos , the quick release feature allows quick turnaround while you swap to your cool down post for some post race recovery.

Cold forged and CNC machined from 6061-T6 aluminum alloy, the Helix Seat Clamp is tough,lightweight and exceptionally good looking. Features laser-etched graphics and titanium hardware. Weighs 14g / 0.5oz (31.8 version)

Box Two Quick Release Seat Clamps are cold forged and CNC machined from 6061-T6 aluminium alloy. Weighing in at just 27 grams/ 0.95 ounces in the 31.8 size, they are as lightweight as they are tough. The head of the quick release lever and the face of the clamp are given a proprietary low-friction surface treatment that ensures smooth lever action for the life of the clamp, without the need for a bushing. Meets or exceeds ENM standards.

The Answer Quick-Release seat post clamp is CNC machined from 6061 aluminum with slotted clamping area for weight savings, laser-etched Answer logo and a large quick-release lever for ease of opening and closing.

Tangent quick release seat post clamp. 6061-T6 CNC aloy for superior strength and durability. Custom cam for tighter hold and Tangent Laser Logo.

Box One Quick Release Seat Clamps are cold forged and CNC machined from 6061-T6 aluminum alloy. A quick release lever makes adjusting your seat height quick and easy. Weighing just 28 grams/1 ounce in the 31.8 size, it’s as lightweight as it is tough. The head of the quick-release lever and the face of the clamp are given a proprietary zero friction surface treatment that ensures smooth lever action for the life of the clamp without the need for a bushing.