When it comes to choosing your seatpost lock, there are hundreds of different choices. In our review, weve considered all the various features youll need to know before buying the best seatpost lock. We hope that through this article, with our comparison table, in-detail review of each product can help you decide which one is your best seatpost lock.

Best seatpost lock

Rank
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Best seatpost lock reviews

1. Pinhead Seatpost/Saddle Lock

Feature

Seatpost or Saddle security
Fits all seat tube and seatpost sizes
Fits saddles with vertical attachment bolts
Uses QR coded key
Easy saddle height adjustment

Description

Pinhead's seatpost lock replaces the factory quick release device to provide seatpost security. Can also be used as a lock for saddles with vertical bolt attachment. Includes a forged, anodized and engraved collar with inserts to fit all seatpost sizes. All parts are precision forged and chrome-plated for consistent function and long life. The lock is installed once, using a special coded key, and remains on the bike to lock the seatpost to the frame, or the saddle to the seatpost. The same coded key is used to adjust the saddle height.

2. HUB SKEWER SUNLT LOCKING FT/RR & SP

Feature

5-sided key locking skewer set
Chromoly axles
6061 anodized alloy
Includes seat and F+R wheel skewers
95g (set)

Description

HUB SKEWER SUNLT LOCKING FT/RR & SP

3. Pinhead Bicycle Locking Skewer Set, 3 Pack

Feature

Pinhead offers you the ideal solution to bicycle wheel theft, with their 3 pack lock set
The 3 Pack includes a front and rear wheel locking skewers, with each lock operated using a unique multi combination key
To ensure the security of your wheels at a fraction of their replacement cost

Description

Pinhead offers you the ideal solution to bicycle wheel theft, with their 3 pack lock set. The 3 Pack includes a front and rear wheel locking skewers, with each lock operated using a unique multi combination key, to ensure the security of your wheels at a fraction of their replacement cost

4. Abus Saddle/Post Lock Nutfix Seatpost Clamp/Lock, 31.8 Diameter, Black

Feature

A bicycle needs to be Locked and attached to an object so the bike is upright
Nuts manufactured from high-quality stainless steel
Can be installed using a conventional SW 8 open-jaw wrench
Component security set as a replacement for seat clamps
The anodized surfaces of the caps provide long-term protection against corrosion

Description

The nutfix is Abus' innovative solution to preventing component theft. This stylish lock is the solution for securing bicycle components, including wheels, seat posts and saddles against would-be thieves. Its real strength lies in its design. The nut is Fitted with a mechanism that only releases the screw below when the bike is on its side. This means it is not possible to access the screw UNLESS the bike is on its side. Nutfix is available in several models, including nutfix quick release, nutfix bolt on axle nuts and nutfix seat post collars.

5. Kryptonite KryptoFlex Looped Bike Security Cable, 2'6" (5mm)

Feature

Perfect for quick release seat and seatpost component and accessory lock-up such as helmets when used with another Kryptonite lock
5mmBRAIDED STEEL CABLE
DOUBLE LOOPED CABLEfor use with all Kryptonite U-locks, disc locks and padlocks
Protective vinyl cover
Product dimensions: 3/16" (5mm) cable diameter, 2.5' (76cm) cable length
Product weight: 0.15 lbs (0.07 kgs)

Description

Perfect for quick release seat and seatpost component and accessory lock-up such as helmets when used with another Kryptonite lock. 5mmBRAIDED STEEL CABLE. DOUBLE LOOPED CABLEfor use with all Kryptonite U-locks, disc locks and padlocks. Protective vinyl cover. Product dimensions: 3/16 (5mm) cable diameter, 2.5 (76cm) cable length. Product weight: 0.15 lbs (0.07 kgs).

6. PLATT Bike Seat Post Clamp Aluminium Alloy Seatpost Collar 28.6mm / 31.8mm /34.9mm

Feature

Aluminum alloy bicycle seat post clamp,Weight: 23g (34.9 Clamp)
Comes anodized in Black, Blue, Gold,Red and Silver,colorfast surface,great anti-corrosion. Beautiful Color,Stand out from the crowd.
Easy to install: Simply secure with a 4mm Allen (hex) head key
28.6 clamp suits for 25.4 Seatpost,31.8mm clamp suits for 27.2mm and 28.6mm seatpost. 34.9mm clamp suits for 30.4mm, 30.8mm, 30.9mm and 31.6mm seatpost.
QUALITY GUARANTEE: If the have seat post clamp any quality problem, please contact us for a new free replacement or the full refund.Thank you very much !:)

7. Dilwe Bike Seat Post Clamp, Metal Ultralight Bicycle Lock Seat Clamp Cycling Part Seatpost Clip(34.9mm-Blue)

Feature

PREMIUM MATERIAL: Adopting premium metal construction, anti-rust and stable.
CONVENIENT TO INSTALL: Simple and convenient design, easy and quick to install.
KEEP STABILITY: There is a strong stud to fix the clamp onto seat post firmly, provide safe cycling experience.
DIFFERENT DEMAND: 1.8mm and 34.9mm sizes are alternative, and you can choose based on your need.
BEST CYCLING ACCESSORY: The bike seat clap is a great for any style of bike in need of securing a seat post.

Description

Adopting premium metal construction, anti-rust and stable. Easy to install and use. There is a strong stud to fix the clamp onto seat post firmly. 31.8mm and 34.9mm sizes are alternative, and you can choose based on your need. Great for any style of bike in need of securing a seat post.

Features:
1.PREMIUM MATERIAL: Adopting premium metal construction, anti-rust and stable.
2.CONVENIENT TO INSTALL: Simple and convenient design, easy and quick to install.
3.KEEP STABILITY: There is a strong stud to fix the clamp onto seat post firmly, provide safe cycling experience.
4.DIFFERENT DEMAND: 1.8mm and 34.9mm sizes are alternative, and you can choose based on your need.
5.BEST CYCLING ACCESSORY: The bike seat clap is a great for any style of bike in need of securing a seat post.

Specification:
Condition: 100% Brand New
Material: Metal
Color: Black, Red, Gold, Blue, Silver(Optional)
Clamp Diameter: Approx. 31.8mm / 1.25in, 34.9mm / 1.37in(Optional)
Weight: Approx. 22g

Packing List:
1 x Seat Post Clamp

Notice:
The diameter of the clamp you need is the frame NOT the diameter of the seat post. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.

8. Origin8 Pro-Fit Seat Clamp, 31.8 mm, Black Annodized

Feature

Anodized or Powder Coated finish
Seat clamp allows for secure clamping
Forged alloy construction

Description

SEAT POST CLAMP OR8 P-FIT 31.8 BK-ANO

9. Pinhead M9 & M10 Solid Axle Wheel & Seatpost Lock

Feature

Solid axle Wheel and Seatpost security
Fits solid axle wheels with 9 mm and 10 mm axles
Fits all seat tube and seatpost sizes
Uses SA coded key
Easy one-time installation

Description

Pinhead's solid axle wheel locks replace factory hex nuts to provide wheel security and improved safety. Locknuts are supplied for wheels with M9 and M10 axles. All three standard axle sizes (M9, 3/8 x 26 tpi & M10) are available individually to fit all solid axle wheels. The seatpost lock includes a forged, anodized and engraved collar with inserts to fit all seatposts. All parts are precision forged and chrome-plated for consistent function and long life. Locks are installed once, using a special coded key, and remain on the bike to lock the wheels and seatpost to the frame. The same coded key is used to remove wheels for servicing or adjust the saddle height.

10. Pinhead City Lock/Wheel Lock/Seatpost Lock/Headset Lock

Feature

Complete Bicycle security
Fits all quick release bikes
One key locks everything
Uses QR coded key
See individual products for complete description

Description

One key locks your bike and all its major components. Complete security for your frame, wheels and seatpost

Conclusion

All above are our suggestions for seatpost lock. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using seatpost lock with us by comment in this post. Thank you!
Elsie Butler