{Updated} Top 10 Best 349 seatpost clamp {Guide & Reviews}

Are you looking for best 349 seatpost clamp, we’ve consulted top experts who has in-and-out knowledge about the 349 seatpost clamp. We choose the top most quality product, which comes with amazing features you’ve never heard before. We have filter more than 100+ of product to give you top 10 list of best 349 seatpost clamp.

This list is undoubtedly the best 349 seatpost clamp available in the market today. However, if you don’t want to spend more time on filtering and finding which one is good 349 seatpost clamp, then you should absolutely go for our Top list of the winner. which comes with all the basic features one could expect in a 349 seatpost clamp.


Best 349 seatpost clamp – The Winners!


But these three has some more competitions too, Check out below List of Top 10 best 349 seatpost clamp.If you are ready to choose a new 349 seatpost clamp, check out our recommendations for the best 349 seatpost clamp. But if you’d like to learn more about the various types of 349 seatpost clamp available and how to choose the right one for you, read on.


List of Top 10 Best 349 seatpost clamp In Detailed


Bestseller No. 1
CUNCUI 2pcs Bike Seat Clamps 31.8mm, Seatpost Clamp, Premium Bike Seat Clamp, Inside Diameter of Seat Tube Clamp 31.8mm (Black)
  • 【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.
Bestseller No. 2
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.
Bestseller No. 3
TRIWONDER Bicycle Seat Post Clamp Bike Quick Release Clamp 28.6mm 31.8mm 34.9mm Aluminum Alloy Seat Tube Clip (Black - 34.9mm)
  • 【MATERIAL】The bicycle seatpost clamp is made of high-quality aluminum alloy, with a smooth and exquisite appearance, anti-wear and practical
  • 【28.6 CLAMP】28.6mm Bicycle Quick Release seat clamp is suitable for 27.2mm bicycle seatposts
  • 【34.9 CLAMP】34.9mm Bicycle seatpost clamp is suitable for 30.8 / 31.6mm bicycle seatposts
  • 【INSTALLATION】Simply secure with a 4mm Allen (hex) head key, the seat post clamp fits for most aluminum frame bikes, like mountain bike, road bike, etc
  • 【NOTE】This bicycle seatpost clamp should match the diameter of the seat tube on your frame and not the diameter of the seatpost itself
Bestseller No. 4
Gub Bike SeatPost Seat Post Clamp Tube Clip Quick Release Aluminium Alloy MTB Seatpost Clamp Mountain Road Bike Parts 34.9mm 31.8mm (SBLACK31.8)
  • Material: Aluminum Alloy. Diameter:31.8mm and 34.9mm.Diameter refer to seat post tube diameter not the seat post.
  • Aluminum Quick Release Bike Seat Clamp.strong sleek retaining bolts
  • strong sleek retaining bolts ensure it to be double sturdy and firm.
  • The "31.8", "34.9" refer to the seat post tube outer diameter not the seat post diameter!
  • 31.8mm Bike Seat post clamp used for out diameter 30.2mm to 32.1mm bicycle frame seat Tube.
Bestseller No. 5
Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Clip 28.6mm 31.8mm 34.9mm for Mountain Bike Road Bike Fixie Gear Track Bike Folding Bike DH MTB BMX (Black - 34.9mm)
  • ‍ 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 - 25.5mm bike seat post 28.6mm Seat Post Clamp fits on the out diameter 27.8mm - 28.8mm bike seat post 31.8mm Seat Post Clamp fits on the out diameter 30.2mm-32.1mm bike seat post 34.9mm Seat Post Clamp fits on the out diameter 33.5mm-35.2mm bike seat post
  • ‍ NOTE: BE SURE TO MEASURE THE ACTUAL SEAT TUBE OUTSIDE DIAMETER OF YOUR FRAME
Bestseller No. 6
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.
Bestseller No. 7
Teyssor Bicycle Seatpost Clamp,Aluminium Alloy Bike Quick Release Seatpost Collar 28.6/31.8/34.9MM
  • The size "28.6mm", "34.9mm", "31.8mm" refer to the seat post tube outer diameter not the seat post
  • 28.6mm bicycle seat post clamp apply for frame seat tube out diameter 27.8mm-28.8mm
  • 31.8mm bicycle seat post clamp apply for frame seat tube out diameter 30.2mm-32.1mm
  • 34.9mm bicycle seat post clamp apply for frame seat tube out diameter 33.5mm-35.2mm
  • Ergonomic hollow design Quick Release seat clamp. Suitable for road bike, BMX MTB
Bestseller No. 8
Vincita Rack Mount Seatpost Clamp - for Bike Without Rear Rack Threaded Hole Fixation - Suitable with Seatpost Diameter 27.2 mm (Seatpost Tube 31.8 mm) - Lightweight -Mountain, Road, Folding Bicycle.
  • [ SOLUTION FOR BIKE WITHOUT REAR RACK THREADED EYELETS ] : You can now mount a rear carrier with any bikes with Vincita seatpost clamp with rack mounts. It adds two M5 rear threaded eyelets to the seatpost. These eyelets can be fixation point for bike rear carrier.
  • [ MEASURE DIAMETER OF SEATPOST (NOT SEAT TUBE) BEFORE PURCHASE]**** : Our bike seatpost adapter is available in 2 seatpost sizes. Seatpost Diameter 27.2 mm ( Seatpost Tube 31.8 mm) and Seatpost Diameter 31.8 mm ( Seatpost Tube 34.9 mm) .
  • [ EASY INSTALLATION ] : Simply use an allen wrench to replace your old seatpost clamp with this bicycle clamp. There are three mounting screws included.
  • [ LIGHTWEIGHT, HEAVY-DUTY ] : The seatpost collar only weights less than 50 grams. But once installed, it will tighten securely around your seatpost without slipping.
  • [ ENGINEERED TO ENDURE ] : This clamps are made of alloy and have been engineered for durability. It can take the daily conditions of biking.
Bestseller No. 9
Boenoea Bicycle Quick Release Seatpost Clamp Anodised Aluminium Alloy 31.8mm/34.9mm/28.6mm
  • Boenoea Bicycle Quick Release Seat post clamp is durable and lightweight, ergonomic design, more efficient and comfortable qr seat post clamp.
  • Hollow design, Retain strength, comes anodized in Black colorfast surface, great anti-corrosion.
  • 28.6mm Seatpost clamp apply for out diameter 27.8mm - 28.8mm bike frame seat tube. 31.8mm Seatpost clamp apply for out diameter 30.2mm - 32.1mm bicycle frame seat post.
  • 34.9mm Seatpost clamp apply for out diameter 33.5mm - 35.2mm bike frame seat tube.
  • Attention Please: The "28.6", "31.8", "34.9" refer to the Seatpost Tube Outer Diameter, not the seat post diameter.
Bestseller No. 10
Suiwotin Seat Post Clamp Quick Release Bicycle Seatpost Clamp Aluminium Alloy Bike Seat Post Clamp Cycling Part Accessory for Mountain Road Bike (5PCS, Silver)
  • Package Included -- 5PCS x Seat Post Clamp. Compatible with most 31.8mm. 30.5mm Bike Seat Clamp.
  • Premium Material -- Seatpost clamp made of aluminum alloy, strong and durable, make clamp longer life.
  • Novelly Designed -- Bicycle seat clamp adopt quick release design, easy to operate, you can release your bike seatpost soon, convenient to take.
  • Function -- Seat clamp quick Release Lever is a simple replacement for your seat binder bolt. It allows you to adjust the seat height quickly and easily without tools.
  • SATISFACTION GUARANTEED -- If you don't absolutely love them let us know and we will refund your purchase price NO QUESTIONS ASKED! We are so confident you will love our products.
Hope this list of the best 349 seatpost clamp will be helpful for you. Feel free to contact us if you have any questions about our site or our reviews, and we will be happy to help you with your purchasing decisions in any way we can.

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