\u2022 High quality allen-key security skewers, ideal for any commuter. \u2022 Makes it harder for thieves to tamper with your wheels, but changing punctures is still quick and easy. \u2022 One of the ways recommended by the home office to help keep your bike safe. \u2022 Comes in a black colour and made from steel for strength. \u2022 135mm spacing rear hub (MTB & Hybrid). \u2022 Product Type: Quick Release Skewers. \n\u2022 Discipline: MTB. \n\u2022 Colour: Black. \n\u2022 Size: 135mm.\n\nM:Part Security Skewers Front and Rear Hybrid and Mountain Bike 135mm Black\n\nDescription\n\n--High quality allen-key security skewers, ideal for any commuter\n--Makes it harder for thieves to tamper with your wheels, but changing punctures is still quick and easy\n--One of the ways recommended by the home office to help keep your bike safe\n--Comes in a black colour and made from steel for strength\n--135mm spacing rear hub (MTB & Hybrid)\n--Product Type: Quick Release Skewers\n\n--Disci.