Assembly Instructions: DESCRIPTION: HEXLOX SECURITY SKEWER Hexlox Security Skewers is the product you need if your wheels have Quick Release Skewers. They are a standalone product and can also be used normally without Hexlox. (These do NOT include Hexlox) · To secure them add a 5mm Hexlox per skewer or get one of their Wheel or Total sets. HexSkewers: HexSkewers fasten with a regular 5mm Allen Key / Hex Wrench (7Nm) · Cold Rolled CrMo axles · Coloured all weather Cap (Black-Black) (Silver-Translucent) more colours · Equipped with a specially designed Anti Spin Tooth & Conical form to deflect attack · Install without removing your wheel · Once the HexSkewer is installed, secure against theft with Hexlox SPECIFICATIONS: SIZES / TYPE MTB / CX / Suspension · This will fit any regular bike, MTB, Cyclo Cross, Touring, Commuter, suspension forks Standard / Road / Commuter · For road bikes and the average commuter. Slightly shorter than the MTB for a neater fit. An extended thread also makes these suitable for a 120mm rear dropout (track frame), 70mm Front drop-out (Brompton) and everything in between.