In terms of bang for your buck, upgrading your bike tyres is one of the cheapest upgrades you can make to your bike. Higher quality bicycle tyres can improve overall levels of comfort, reduce rolling resistance and improve handling and generally, overall making you more efficient with every pedal. Maintaining or upgrading tyres is important from a safety perspective to ensure you are replacing when grip is reduced or worn. Shop in-store and online for 99 Bikes wide range of tyres at New Zealand's best prices.