The Best 30.9 Seatpost of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 30.9 Seatpost of 2022. Check our ranking below.
2,465 Reviews Scanned
- Mountain Bike Seatpost Size: 27.2mm/30.9mm/31.6mm,Total length: 400mm.
- Pay Attention to Choose Correct Diameter Size:Take out your current seatpost, the diameter marked on it’s lower area. Then buy same size from the option.
- Material:Forged aluminum alloy 6061 T6.
- Bynccea MTB seatpost with adjustable head,convenient to install.
- 【12-MONTH WARRANTY】:Quality guarantee.If you’re not 100% satisfied with your bike seatposts, simply send us a message and we’ll take care of you.
- Strong and Durable: The bike seat post is made of 6061 aluminum alloy and CNC full machined
- One Piece Forge and Lightweight: The bike seatpost is one piece forge so it is only 330g(27.2mm)/315g(30.9mm)/345g (31.6mm)
- Two-Bolt Design: Two-bolt design for easy adjustment the tilt angle of the saddle with the clip to make the saddle reach the best riding comfort and keep the saddle in its position
- Adjustable Seatpost Height: Our MTB seatpost is engraved with clear height marks, easy to adjust the height of the seat post bike to reach the right height for you
- Diameter: 27.2mm/30.9mm/31.6mm, Total length: 350mm (Adjustable height), Zero offset
- Size: Diameter: 27.2mm 30.9mm 31.6mm; Length: 350 mm (13.8inch)
- Material: made of high strength aluminum alloy, light weight, anti-rust and durable.
- Pay Attention: Please measure the original bike seatpost diameter and choose the correct size before purchasing.
- Easy installation: Unbolt your old seat and remove your seatpost then bolt on your seat to your new seat post and install it into your bike frame.
- Compatibility: Suitable for most mountain bikes, road bikes, downhill bikes, BMX, DH, etc.
- Material: Made of high quality aluminum alloy, light weight, durable and never rust.
- Specifications: 25.4/27.2/28.6/30.9mm(diameter)*400mm(length), weight: about 320-360g.
- Design: Boenoea Seat post designed with adjustable head, convenient to install. Seat angle can be fine-tuned.
- Universal Fit: Suitable for road bike, mountain bike, downhill bike, MTB, BMX, DH, etc. And easy to install, it only takes a few minutes to complete the operation.
- Pay Attention: Please measure the diameter of the original seat post before purchasing and choose the same size of the original one. Wrong size will not work and will cause return.
- 【PAY ATTENTION】Please do measure the actual required diameter before purchasing. Saddle clamp is not included, please buy the saddle clamp separately if needed.
- 【MATERIAL】Seatpost made of 6061 aluminum alloy,strong and durable.
- 【SIZE】Length:400mm;Diameter:30.9mm;Top diameter is 22.2mm, fits standard saddle clamp with diameter of 22.2mm
- 【USE&FIT】Seatpost used for for most old style bike,and the bike saddle with clamp.
- 【SAFE LINE MARK】There is a safe line mark on the seat post. Please insert at least above the minimum safety line.
- weight limit：100kg or 220pounds
- SIZE: 30.9mm x 350mm (PLEASE DOUBLE CHECK YOUR SEAT TUBE SIZE BEFORE PLACING ORDER.)
- - OEM package (This item is exactly as pictured and does not include retail package)
- 30.9mm x 350mm, PLEASE DOUBLE CHECK YOUR SEAT TUBE SIZE BEFORE PLACING ORDER.
- Travel: 50mm
- Length: 350mm (Maximum extension of 300mm height)
- Suggested rider weight: 60-100kg
- Unidirectional carbon shaft, forged aluminum head
- Unidirectional carbon shaft, forged aluminum head
- Two-bolt adjustable head
- 400mm length
- No rider weight limit
- VERSATILE FIT: Available in multiple diameters (25.4/27.2/28.6/30.4/30.9/31.6mm) to accommodate various bike frames and ensure proper installation
- DURABLE CONSTRUCTION: Made from high-strength aluminum alloy material for long-lasting performance and reliable support
- EXTENDED LENGTH: Features a 400mm (15.75 inches) length providing ample adjustment range for optimal riding position
- COMPATIBILITY: Suitable for both mountain bikes and road bikes, offering wide-ranging versatility for different cycling styles
- DESIGN FEATURES: Precision-engineered surface finish reduces friction and allows smooth height adjustments while maintaining secure positioning
- BIKE SEATPOST SIZE: 30.9x350 mm. Please do measure the actually required diameter before purchasing.The saddle clamp is included.
- Please measure the seatpost required diameter before purchasing,and take care to install the seatpost correctly - the safety line is located under the seatpost clamp to ensure a safe and comfortable ride.
- Bike Suspension Seat post features a progressive coil spring and elastomer to effectively absorb vibrations, enhancing rider riding comfort.
- The saddle clamp angle can be adjusted from -5 degrees to +18 degrees, with a clamp offset of 14 mm.
- Made from strong, lightweight 6061-T6 aluminum alloy, the bicycle seatpost improves durability and aesthetics with its one-piece body and anodized protective layer.
Last update on 2025-09-12 / Affiliate links / Images from Amazon Product Advertising API
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FAQ:
Q: What type of seatpost should I get for my bike?
A: A carbon seatpost will be the lightest option that is able to absorb bumps and vibrations in the road. Suspension seatposts supply some level of damped travel, which can help smooth out your ride. These are the least common of the three post types and are most often found on gravel, touring, or adventure bikes.
Q: Why choose a kinekt seatpost?
A: Over double the fatigue life of any other production … read more The Kinekt aluminum 2.1 Seatpost is sleek and versitle, providing pre-load capability to effectively isolate your body from surface vibrations and impacts. … read more The Thomson Masterpiece Seatpost is not for everyone.
Q: What size Seatpost clamp do I need for my saddle?
A: Standard rail size is 7mm, but there are occasionally saddles with larger diameter rails, thus requiring larger diameter seatpost clamps. Make sure to double check.