5mm outer diameter

The beauty of this system over using an adaptor is that the two aluminium cups thread into each other so they lock onto the frame

2 plastic tyre levers and magnetic bit holder

Don't waste any water

2x bearing

DHaRCO Youth Gloves - S - Party Shirt PDP|Colour 5mm outer diameterThese minimalist style gloves are lightweight and super comfy. The Youth style comes with a Velcro entry to make them easy to get on and off. Features: Breathable nylon upper hand Durable and soft synthetic leather palms Velcro wrist opening Leather curves around the thumb and index finger to reduce friction points Smartphone swipe friendly thumb and index finger for easy phone use on the go Re enforced seams Youth specific fit