Pinhead Four Pack locking system£54.99

Security for bike components

BikeRadar score3.5/5

A different take on security, this kit comprises a seat bolt, headset top cap and two wheel skewers, all of which can be locked in place. One key fits all.

The skewers have one domed side and one with key slots. We got enough purchase with needle nose pliers to turn the skewer when it wasn’t secured enough. The headset cap works brilliantly, though, thanks to its big diameter.

While secure, the seat clamp is the least successful part of the package. It’s a clumsy fit and the collared bolt is hard to seat on many clamps. Overall, though, this is a superb part-based protection system.

Warren Rossiter

Senior Technical Writer, Tech Hub, UK
Approaching two decades of testing bikes, Warren can be found on a daily basis riding and exploring the road and off roads of Wiltshire's Salisbury Plain in the UK. That's when he's not travelling the world to test the latest kit, components and bikes.
  • Age: 43
  • Height: 188cm / 6'2''
  • Weight: 92kg / 203lb
  • Waist: 86cm / 34in
  • Chest: 112cm / 44in
  • Discipline: Road
  • Preferred Terrain: Big, fast descents and rough surfaces like cobbles or strada bianca
  • Current Bikes: Decade Tripster ATR, Dedacciai Temarario, Cannondale Synapse, BMC Granfondo Disc Di2, Genesis Day One CX, Parlee Z Zero Custom, Storck Scenario Comp Custom, DMR Trailstar, Bianchi Pista, Cube SUV 29er e-bike
  • Dream Bike: Bianchi Oltre Disc, Bianchi Specialissima, Cannondale Slate, Buffalo Bike
  • Beer of Choice: Brew Dog Punk IPA
  • Location: Wiltshire, UK

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