You can usually buy gels, energy drinks and other useful items at local bike shops, but if you can, you might as well purchase in bulk at home and carry them with you.

Ideally, take a mixture of energy gel/bar/drink flavours, as taste fatigue can set in.

Energy Gels: What They are and How to Use Them

Along with sun cream and chamois cream, this is also where you might want to think about:

• Shampoo, conditioner, shower gel (check out these 10 dry shampoos)
• Toothbrush, toothpase
• Any cosmetics you want – lip balm and moisturiser will probably be on your wish list after a long day in the elements
• Massage oils, painkillers, and medication you need