Pinhead Locks – Quick-Release 4-Pack: Locks for Wheels, Seatpost, and Headset

Pinhead Locks – Quick-Release 4-Pack: Locks for Wheels, Seatpost, and Headset


$225 Oversized Shipping Fee may be applied in addition to our standard flat rate fees.


Bikes are for riding & keeping, not hiding & seeking.

Out of stock


Includes front and rear wheel locking skewers, seatpost lock with seat collar, headset lock, and coded key. Prevents removal of your wheels, seatpost, front fork, and stem from your frame. Protects your wheels, seatpost, and stem for a fraction of their replacement cost.

Keyed-alike sets can be ordered to protect your other bikes.

Also available for solid-axle wheels and seatpost.

                    -Front Skewer (125mm), installed weight 33g
                    -Rear Skewer (168mm), installed weight 37g
                    -Seatpost Collar w/shims to fit all seatpost sizes, installed weight 41g
                    -Headset lock and adaptor cap, installed weight 19g
                    -Lock Nuts (3), Washers (3), and Rubber Caps (3)
                    -POG Security Washers (2)
                    -Quick-Release key (1)
Pinhead quick-release wheel, seatpost, and headset locks protect the front wheel, rear wheel, seatpost, and headset. Once installed, the locks remain permanently on your bicycle, even when you ride. When you need to remove your wheels for servicing, your Pinhead key lets you do this quickly and easily. Pinhead locks cannot be removed with tools such as hammers, pliers, picks, universal socket tools, grinders or bolt cutters. Our convex disc technology prevents your wheels and seatpost from being removed by bike thieves.
Our locks use a special coded key that comes with each lockset. The key is ergonomically engineered to install and tighten your locks, and also serves as a bottle opener. Each key is different and comes engraved with a nine-digit code so it can be replaced if lost. With your key code, matching locks can be ordered to protect your other components or other bikes.
All components are precision-forged from corrosion-resistant CrMo steel and aircraft aluminum alloys. Pinhead locks are unmatched in quality and backed by a lifetime warranty.
 All internet orders are shipped in bubble packs with no retail packaging.

Additional information

Weight 0.5 lbs
Dimensions 5.91 × 0.79 × 0.79 in


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