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  • Replacement wheel quick-release skewers and seatpost clamp use a clever lock system to prevent them from opening unless your bike is tilted over 90° from level
  • The simple design enhances security when you lock up your bike with its wheels attached; just make sure the bike is locked so it can't be tipped past 90°
  • To unlock the skewers, all you have to do tip the bike past 90° and open the quick-release levers
  • OnGuard rates the MinPin skewer set as a 55 out of 100 on their 100-point security rating system, where higher-rated locks offer increased security


View all OnGuard Bike Skewers

REI membership


Best Use Cycling
Material(s) Steel/aluminum
Dimensions 1.97 x 0.20 / 5.04 x 0.20 / 6.42 x 0.20 inches
Weight 40 / 57 / 63 grams
Rated 2 out of 5 by from Kinda Works I got this for my commuting bike, so I wouldn't have to carry another key (or special tool), but could feel comfortable locking the bike to a rack at lunch. The idea is great. When the bike is level to the ground, they won't come open. To open, just pop the bike up at 90deg. If you use a U-lock and lock your bike to something, anything, decent, it's impossible to turn the bike the full 90deg needed to unlock. Then came Winter with ice, snow, slush, freezing rain, and lots of road grime. I get a flat tire, go to unlock the skewer, and nothing. Won't budge. Frozen. Literally. Apparently, the locking mechanism isn't waterproof. So if moisture gets in and it freezes, you're out of luck. Unless the bus has a bike rack.
Date published: 2013-11-18
Rated 1 out of 5 by from Easily Defeated These skewers are unlocked by turning them 90 degrees from flat to past vertical, presuming that if you lock your bike so it cannot be turned this far the skewers cannot be released. Unfortunately the locking mechanism is easily defeated without using tools or force. After thinking about it for a few minutes I could open it in seconds. Worthless.
Date published: 2013-04-08
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