Spare Inner Tube
A flat in the middle of a race is a nightmare so if you can fix it you'll be a lot happier. Tubeless tyres may be a solution but it's not fool-proof.
Try not to buy cheap though as you'll spend more time at the road-side than riding. I'd also apply that to tyres.
Try not to buy cheap though as you'll spend more time at the road-side than riding. I'd also apply that to tyres.