Trelock FS 300 lock review

Useful for quick stops

BikeRadar score2.5/5

This parallelogram design offers great convenience due to it packing down to a small size. With a carry case included, it’s simple to transport too. Unfortunately, the riveted design has strength limitations.

Levering two links against each other puts massive stress on the rivet until it eventually pops, and that’s what happened to the FS 300 within 45 seconds.

That’s not to say that the device should be dismissed straight away. We think its flexibility is good for a quick cafe-stop, as is the obvious visual deterrent.

Warren Rossiter

Senior Technical Editor
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: 44
  • 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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