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The Best 30 Mm Seat Post of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best 30 Mm Seat Post of 2022. Check our ranking below.

2,416 (random num) Reviews Scanned

Rank No. #1
Seatpost Shim Seat Post Tube Sleeve Adapter 27.2mm to 28.6mm/30.0mm/30.4mm/ 31.6mm for Mountain Bike,Road Bike,MTB,BMX,Fixie Gear
  • Bike seatpost shim sleeve, inner diameter is 27.2mm/1.07inch, 4 types of outer diameter to choose.use this seatpost sleeve adapter ring, you can use 28.6mm/30.0mm/30.4mm/31.6mm seatpost on your 27.2mm bike seatpost.
  • Bike seatpost adapter, can be converted to 27.2 seatpost diameter of 30.4 or 30.8 or 31.6 diameter.
  • Bicycle seat post tube adapter, material: aluminum alloy.inner diameter: 27.2mm/1.07inch.outer diameter: 28.6mm/1.13inch, 30.4mm/1.20inch, 30.8mm/1.21inch, 31.6mm/1.24inch.Length: app.6cm/2.36inch.color: black.
  • Seatpost adapter shim suit for MTB bike, mountain bike, road bike etc.
  • Bike seatpost shim, before buy, please check your bike frame seat tube outside diameter. measure the inside diameter of your old clamp.Or measure the outside diameter of your seat tube (on your bike frame).
Rank No. #2
UPANBIKE Bike Seatpost Shim Sleeve Bicycle Seat Post Tube Adapter for Mountain Bike Road Bike Electric Bicycle(27.2mm to 30.0mm)
  • Made of aluminum alloy,light weight but durable.
  • Shim total length:60mm.
  • Size:27.2mm to 30.0mm(Convert a 27.2mm seat post to fit a 30.0mm seat tube).
  • CNC precision machining,good anti-slip performance.
  • Please confirm your bike frame seat post outer diameter before ordering(Measure the inside diameter of your old clamp,or measure the outside diameter of your seat tube).
Rank No. #3
Esquirla 30mm Alloy MTB BMX Bike Seat Post Clamp Bike Seatpost - Choose of Colors, Black
  • ✅[Easy to Install] Hollow design, easy to install and use. 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.
  • ✅[High Quality] CNC Machined aluminum alloy quick release seat post clamp- lightweight and durable. 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.
  • ✅[Quick release lock design] Seat clamp with extra-long quick release lever for added clamping force, you can adjust the clamp even without any other tools.
  • ✅[Wide Application] 30mm seat post clamps suitable for 25.4mm-27.2mm seat post. Quick release bike seat post clamp of unique 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.
  • ✅[Note]Before purchasing a seatpost clamp, you need to measure the diameter of the frame's seat tube, and then select the appropriate size seatpost clamp according to the diameter.
Rank No. #4
DJC Suspension Seatpost Straight Pillar Headless Bike Seat Post Shock Absorber for City Bike MTB 25.4 27.2 28.6 30.4 30.9 31.6mm(30mm Black)
  • No Clamp, Pay Attention to Diameter: No clamp with the seatpost, it will not works if you are MTB saddle. City bike saddle has clamp, it will works. Wrong diameter will not works as well. Make sure you checked what diameter you need before buy.
  • Spring Suspension: A spring coil and damper rubber inside. Absorb the shocks and offer you good riding experience. Shock absorb travel 40mm/1.73in, seatpost total length 350mm/13.7in.
  • Rebound Force Adjustable: The suspension seatpost fit for riders weight 50kg/ 110lbs to 100kg/ 220lbs. Bottom screw can adjust spring rebound force. Clockwise the bottom screw if you are heavy, anticlockwise it if you are lightweight.
  • High Quality : Body aluminum 6061 alloy. Comply to international bicycle safety standard ISO 4210. Sand blast anodized surface treatment. Weight: 25.4mm-420g, 27.2mm-470g, 28.6mm-490g, 30.9mm-495g
  • 2 Years Warranty: Quality durable. We offer 2 years warranty and 1 month return without any reason.
Rank No. #5
BNVB Alloy Bike Seatpost Shim, 100mm Length Aluminum Bicycle Reducing Sleeve Seat Post Tube Adapter, Diameter Switch 27.2 to 30.0mm
  • Length: 100mm, Guarantee you seatpost insert safe.
  • Material: Made of high quality 6061 aluminum alloy, CNC machining CD texture surface, Light weight, anti-rust and durable.
  • Easy Install: Easy to install and remove, Convenient for you to Switch Seatpost in need.
  • Suit for MTB bike, mountain bike, road bike etc.
  • Note: Please measure the outside diameter of your seatpost, (or check the size marks on the seatpost). Then measure your bike frame seat tube inside diameter. Then choose right Size.
Rank No. #6
GANOPPER Bicycle Seat Post Shim 27.2 to 30.0 Alloy Aluminum Bicycle Seat Post Tube Adapter for MTB BMX Road Bike
  • Material: 27.2 Seatpost adapter is made of high quality 6061 aluminum alloy, CNC machining CD texture surface ,anti-rust and durable
  • Feature:Use this bike seatpost adapter, 27.2 Seat Post shim can be converted to 30.0 bike post, bike seatpost adapter shim can help you change the bicycle seat tube outer diameter to meet your needs
  • Size: 30.0 to 27.2 seatpost shim. Length: 100mm.
  • Tips: Please check your bike frame seat tube outside diameter. Measure the inside diameter of your old clamp. Or measure the outside diameter of your seat tube (on your bike frame). Then make a right choice.- - -Because of hollow design,In the process of transportation are squeezed may be out of shape,Please kindly exchange one
  • Application: 27.2 mm seatpost reducing sleeve shim matches well with most bicycles, such as MTB ,BMX ,Fixed Gear bike,mountain bike, road bike, city bike and more, you can easily adjust the diameter of the bicycle seat post, eliminating the trouble of repurchasing the bike seatpost.
Rank No. #7
EXA Form Upgraded Speed Up 30.0mm Cable-Less Hydraulic Dropper Post with Corresponding Shim/Adapter, 150mm Travel, Consist of 27.2mm Seatpost and 30.0mm Shim
  • 🚴‍♂️Installation diameter: Please be sure to confirm the diameter of your bicycle seat tube before purchasing, different diameters are not compatible with each other. If you are not sure, please feel free to consult us. The kit consists of a 27.2mm seatpost and shims of the corresponding diameter.
  • 🚴‍♂️ INSTALLATION IN SECONDS (NOT MINUTES): Simply slide the seatpost gracefully into the bike frame, eliminating the tedious wiring, routing, etc. installation process of a remote-controlled seatpost.
  • 🚴‍♂️Easy operation, stepless height adjustment: You only need to pull the control lever, you can raise and lower the height of the seat tube, and you can stop at any position in the stroke. Of course, when lowering the height, force needs to be applied to the seat cushion.
  • 🚴‍♂️Durable and Lightweight: Hydraulic dropper integrated inside 7075 alloy tube. Lever actuated, cartridge-based architecture, sleek black anodized finish. Reliable quality.
  • 🚴‍♂️Package Include: One Diameter 27.2mm* Travel 120mm dropper post, One 30.0mm Shim.
Rank No. #8
Aluminum Alloy Bicycle Seatpost Tube Adapter (27.2 30.0mm)
  • ?PREMIUM QUALITY:The seatpost is made of full CNC quality machining aluminum alloy, anti-slip, light weight and can be used for a long time.
  • ?6 DIFFERENT SIZE:Our product have 6 different seat post tube adapter, you can choose the bicycle seat tube to the size you want.
  • ?EASY TO INSTALL: Easy to install and remove, convenient for you to use.
  • ?WILD RANGE OF APPLICATION:This product is used with most bicycles, for example MTB bike, mountain bike, road bike, etc.
  • ?WARM-HEARTED TIP: Please check the outer diameter of your bicycle seat tube. Measure the inner diameter of the old clamp. Or measure the outside diameter of the seat tube. Then make the right choice.
Rank No. #9
27.2 seatpost Diameter of 30.4 Shim to 30.0 Long mm 30mm 28.6 29.8 Bicycle Rubber seat Suspension Cycling Racks and Storage (Original 27.2 to 30.0mm seat Tube Sleeve Reducer)
  • ?Apply to?The bicycle seatpost tube adapter is suitable for mountain bikes, mountain bikes, road bikes, etc.Cycling
  • With this seat post tube adapter, you can change the bicycle seat tube to the size you want. Warm Note : Please check the outer diameter of your bicycle seat tube; Measure the inner diameter of the old clamp; Or measure the outside diameter of the seat tube. Then make the right choice
  • Warm Note : Please check the outer diameter of your bicycle seat tube; Measure the inner diameter of the old clamp; Or measure the outside diameter of the seat tube. Then make the right choice
  • Suitable for bike, mountain bike, road bike, etc. REMINDER:Please check the outer diameter of the bicycle seat tube. Measure the inner diameter of the old fixture. Or measure the outer diameter of the seat tube. Then make the right choice.
  • Special product: The magical and beloved product ensures that it is what you currently need. When you encounter this magical product, your fate is already predetermined. Take this fate product home and reduce your worries!
Rank No. #10
Bike Seat Clamp, Seatpost Clamp, Bike Seat Post Clamp Aluminium Alloy Bicycle Quick Release Seatpost Collar Clamp Collar 28.6mm 30mm 31.8mm 34.9mm Bicycle Seat Post Clamp (Option)
  • Seat post clamp quick release, super stable, easy to disassemble, and lightweight. four size for option, 28.6mm, 30mm, 31.8mm, 34.9mm.
  • Bike seat clamp anodized surface and bright color, novel appearance and fashion reasonable hollow design.
  • Seatpost clamp made with premium aluminum alloy material, the Bicycle Seatpost Clamp is light weight, high hardness, easy to install and use.
  • Bicycle seat post clamp easy to use and quick response, you can adjust the clamp during cycling for a smoothly ride.
  • Bike clamp collar 4 size available for you to choose, suitable for mountain bike and road bike, a nice choice for you.

Last update on 2024-01-02 / Affiliate links / Images from Amazon Product Advertising API

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