Top 10 Best seat clamp in 2026

Last Updated - 6/30/2026

🏆Best Choice

PLATT

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

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•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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$8.99

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PLATT

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

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•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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$8.99

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TRIWONDER

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

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•✅ 【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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$5.99

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ROCKBROS

ROCKBROS Bike Seat Post Clamp 31.8/34.9mm Aluminum Tube Quick Release for 27.2-28.6mm/30.4-31.8mm Mountain Road Seat Tube Clip

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【31.8/34.9mm Caliber】The 38.1mm bike seat post clamp is suitable for 27.2/28.6mm bike seat post and the 34.9mm clamp is suitable for 30.4/30.8/30.9/31.6mm bike seat post.
•【High-strength Aluminum Alloy】ROCKBROS bike seat clamp is made of high strength 6061 aluminum alloy. Make the bike clamp more sturdy and durable.
•【Rust and Corrosion Resistance】The bicycle seat post clamp adopts oxidation process. Corrosion resistant, less prone to rusting and be able to stand wear and tear.
•【Easy to Install】The bike tube clamp is available in quick-release and locked styles.The quick release seat post clamp requires no tools and is easy to install and disassemble.
•【Hollow & Lightweight】The application of hollow design gives the seat tube clip a lightweight feature.Will not add weight to bicycles, making it easy for you to ride.

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$7.99

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Wolf Tooth

Wolf Tooth Precision-Machined Seatpost Clamp

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•The seatpost clamp should match the diameter of the seat tube on your frame and not the diameter of the seatpost itself.
•The M5 bolt includes spherical washer and mates with a cylindrical anchor barrel. This means that threads are always perfectly aligned, preventing binding and ensuring consistent clamping force.
•Lightweight 6061 T6 aluminum, M5 stainless steel bolt with integrated washer
•Tool interface: 4mm hex key
•CNC Machined in Minneapolis, MN

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$25.95

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CUNCUI

CUNCUI 2pcs Bike Seat Clamps 31.8mm, Seatpost Clamp, Premium Bike Seat Clamp, Inside Diameter of Seat Tube Clamp 31.8mm (Black)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•【High quality material】Our bicycle seat clamp is made of 6061 aluminum, light and durable, comfortable and safe.
•【Widely used】Suitable for indoor and outdoor use, mountain bike, indoor bike, trail bike can be used, please confirm before ordering this bicycle seat clamp can be installed on your bike seat.
•【Easy to install 】Low-cost solution, let you sit more comfortable, let you ride more smoothly, have a good mood.
•【Compatible with multiple sizes】The inside diameter of the seat clamp is 31.8mm, suitable for 27.2/28.6mm sitting pipe diameter
•【Unique design】Bike clips are quick-release lock design, quick disassembly, making riding more comfortable, stable and safe.

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$6.49

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TIKBRO

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

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•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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$8.99

$9.99

-10%

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Teyssor

Teyssor Bike Seat Clamp Bicycle Seat Adapter Fit for Standard Rail Saddles

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Inside diameter: 7/8"
•Seat clamp for mounting the standard rail saddle to the seatpost
•Material: steel,durable and sturdy
•Compatible with most mountain bikes road bikes and dirt bicycles.
•Weight:142g.

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$8.99

$9.99

-10%

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Lohas Select

Bike Alloy Seat Post Quick Release Pin Bike Seat Clamp Quick Release Seatpost Quick Release (Black)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Quick release design which allows you to adjust your bike seat height quickly and easily.
•Material: Alloy Construction; Compatible to road bike and mountain bike.
•Smooth cam action lever. Extruded CNC machined alloy nut.
•It allows you to adjust the seat height quickly and easily without tools.
•Axle diameter: about 6 mm. Skewer Length: 56 mm. Weight of only 38 grams.

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$6.99

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AISIBO

Standard Rail Saddles, 2PCS Bike Seat Clamp, Metal Bicycle Saddle Clamp, Seat Clamp for Standard Rail-type Bicycle Saddle

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•1.Material: Using high quality made of iron, solid and not easily broken.
•2.Size: Size suitable for most bicycle, before buying, please carefully measure the seat cushion and the frame of the outside diameter.
•3.Easy to install: Can be easily installed without complex tools, light and fast.
•4.Appearance: The appearance of the clever design, not easy to slide, make your ride more at ease.
•5.You will get: 2PCS Standard Rail Saddles.

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$8.54

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