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Top 8June 2025

Best Bmx Bike Seat Clamps

We made a list of the top 8 Bmx Bike Seat Clamps based on verified reviews, popularity and other factors which we summarized for you in this list.

Best Choice

BMX Alloy Seat Post Clamp Outer Diameter 25.4mm (Black)

BMX Alloy Seat Post Clamp Outer Diameter 25.4mm (Black)

✓Colors Available - Black, Silver
✓Vintage Style BMX Bicycle Seat Post Clamp
✓25.4mm outer diameter
✓Material: Alloy

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ONIPAX BIKE Seat Clamp For Standard Rail Saddles

ONIPAX BIKE Seat Clamp For Standard Rail Saddles

✓Durable and Sturdy
✓Inside diameter: 7/8"
✓Simple packaging to reduce waste
✓Reliable classic design
✓Made in Taiwan. We pride ourselves on product quality. Let us help you if you have any questions, we will be glad to assist you.

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Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Tightener Clip 28.6mm, 31.8mm, 34.9mm for Mountain, Road, Fixie, Track, Folding, DH, MTB, BMX Bikes Gear (Black, 31.8mm)

Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Tightener Clip 28.6mm, 31.8mm, 34.9mm for Mountain, Road, Fixie, Track, Folding, DH, MTB, BMX Bikes Gear (Black, 31.8mm)

✓🚴‍♂️ MEASUREMENT METHODS: The seatpost clamp should match the diameter of the seat tube on the frame, not the diameter of the seatpost itself
✓🚴‍♂️ HIGH QUALITY: Lightweight 6061 T6 aluminum alloy, carbon steel screws, high strength
✓🚴‍♂️ EASY TO INSTALL: Simply secure with a 4mm Allen head key
✓🚴‍♂️ PERFECT SIZE: 💡 25.4mm Seat Post Clamp fits on the out diameter 22.2mm bike seat post 💡 28.6mm Seat Post Clamp fits on the out diameter 25.4mm bike seat post 💡 31.8mm Seat Post Clamp fits on the out diameter 27.2mm and 28.6mm bike seat post 💡 34.9mm Seat Post Clamp fits on the out diameter 30.4mm 30.8mm 31.6mm bike seat post
✓🚴‍♂️ NOTE: BE SURE TO MEASURE THE ACTUAL SEAT TUBE OUTSIDE DIAMETER OF YOUR FRAME

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PLATT Bike Seat Post Clamp Aluminium Alloy Bicycle Quick Release Seatpost Collar 28.6mm / 31.8mm /34.9mm

PLATT Bike Seat Post Clamp Aluminium Alloy Bicycle Quick Release Seatpost Collar 28.6mm / 31.8mm /34.9mm

✓PLATT Bicycle Quick Release seatclamp is a durable and lightweight alternative to add some beautiful color to your ride, and makes adjusting seatpost height a breeze.
✓Hollow design, lightweight, Only about 39g (34.9 Clamp)
✓Comes anodized in Black, Blue, Gold,Red and Silver,colorfast surface,great anti-corrosion
✓28.6 clamp suits for Frame Seat tube 27.8mm-28.8mm
✓31.8mm clamp suits for Frame Seat Tube 30.2mm-32.1mm
✓34.9mm clamp suits for Frame Seat Tube 33.5mm-35.2mm.
✓NOTE: TYPICALLY USED WITH 25.4/27.2/31.8 SEAT POST. HOWEVER, SEAT TUBE WALL THICKNESS VARIES. BE SURE TO MEASURE THE ACTUAL SEAT TUBE O.D. OF YOUR FRAME.

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TRIWONDER Bike Seat Post Clamp - 28.6mm, 31.8mm, 34.9mm Quick Release for MTB, Road, Casual Bike (Black, 34.9mm)

TRIWONDER Bike Seat Post Clamp - 28.6mm, 31.8mm, 34.9mm Quick Release for MTB, Road, Casual Bike (Black, 34.9mm)

✓✅ 【DURABLE】 This bike seat clamp is machined from aluminum alloy. The excellent material ensures that it is strong and durable. It colorfast surface, great anti-corrosion and not easy to break
✓✅ 【QUICK RELEASE】Our seat post clamp quick release and lock design, easy to install, adjust, remove without any tools. You can adjust your bike seat anytime, anywhere
✓✅ 【LIGHTWEIGHT】Our seat post clams are designed with hollow levers and weigh only 45g (1.6oz). It can be carried as a backup and will not cause any burden on you
✓✅ 【WIDE APPLICATION】 This bicycle seat lock is suitable for all kinds of bicycles, mountain bike, folding bike, track bike, fixedgar, road bike, etc. 3 colors to match your beloved bike
✓✅ 【AVAILAABLE IN 3 SIZES】28.6mm seatpost clamp suits for frame seat tube 27.8-28.8mm; 31.8mm seatpost clamp suits for frame seat tube 30.2-32.1mm; 34.9mm seatpost clamp suits for frame seat tube 33.5- 35.2mm. Note that, this bicycle seatpost clamp should match the diameter of the seat tube on the frame, not the diameter of the seatpost itself

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NUWAB Premium Bike Seat Post Clamp, Bike Quick Release Seatpost Collar with Aluminium Alloy, 31.8mm Bike Seat Clamp

NUWAB Premium Bike Seat Post Clamp, Bike Quick Release Seatpost Collar with Aluminium Alloy, 31.8mm Bike Seat Clamp

✓1. WIDE APPLICATION: Quick release bike seat post clamp of Ergonomic design, more comfortable and efficient seatpost clamps are being loved by more cyclists. Bicycle quick release seatclamp is suitable for road bike,MTB, folding bike and so on.
✓2. PREMIUM MATERIAL: The bike seat post clamp is made of aluminum alloy, although the weight is only 40 grams, it is lightweight and durable, and colorfast surface, great anti-corrosion.
✓3. EASY TO INSTALLATION: Aluminium alloy bicycle seatpost clamp It's easy to install and use, it's no need any tool to install, and make adjusting seatpost height a breeze. Bike seat post clamp is a great accessory for any style of bike.
✓4. COMPATIBLE SIZE: The seat post clamp diameter is 31.8mm, there are two ways to help you determine if the seat clamp fits your bike. Method 1 is to measure your seat post size, it fits seat post OD size 30.2mm-31.9mm. Method 2 is to check the seat post label on your bike, it fits seat post label with 27.2mm, 28.6mm.
✓5. PURCHASE NOTE: Before purchasing seatpost clamp, you need to confirm the seat post label or seat post size, then select the appropriate bike seat clamp.

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10% Discount

TIKBRO Bike Seat Post Clamp Quick Release Aluminium Alloy Bicycle Seat Clamp Collar 28.6mm 31.8mm 34.9mm

TIKBRO Bike Seat Post Clamp Quick Release Aluminium Alloy Bicycle Seat Clamp Collar 28.6mm 31.8mm 34.9mm

✓Material : Seat Clamp : Aluminum alloy . Lightweight, sturdy and durable ; Seatpost Ring Dust Cover : Silicone
✓Package includes: 1 x Seatpost Clamp , 1 x Seatpost Ring Dust Cover. With help of the ring dust cover, it can protect the bike seat post from water, mud, sand or dust after long-distance riding
✓Quick Release Design : Featuring a quick-release design, our bike seat clamp allows for easy and convenient adjustment of the seat height without tools
✓Compatible size : The size 28.6mm, 31.8mm, 34.9mm refer to the seat post tube outer diameter not the seat post . 28.6 mm clamp suits for frame seat tube 27.8mm-28.8mm. 31.8 mm clamp suits for Frame Seat Tube 30.2mm-32.1mm. 34.9 mm clamp suits for Frame Seat Tube 33.5mm-35.2mm
✓Before purchasing a seatpost clamp, you need to measure the SEAT TUBE O.D of the frame and then select the appropriate seatpost clamp

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SE Racing Champ Clamp Seat Clamp 31.8 Blue

SE Racing Champ Clamp Seat Clamp 31.8 Blue

✓CNC machined 6061 T6 aluminum
✓Stainless steel hardware
✓31.8mm inner diameter
✓Available in black, silver, gold, blue and red

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