Tannus Armour 20'' - Puncture Prevention System - 20 x (4.0-4.8) Insert Hammocks The dropouts are height adjustable

The dropouts are height adjustable to keep the weight loaded low on the bike and fit a wide range of tyre sizes

Schrader and Dunlop valves

or your own jersey pocket

11-speed PowerLock and smooth

Tannus Armour 20'' - Puncture Prevention System - 20 x (4.0-4.8) Insert Hammocks The dropouts are height adjustablePrice is per unit. 2 units required per bike. Eliminates 90% of all punctures Easy installation Run flat capable Protects your rims Virtually Eliminates Flats Tannus Armour wraps around your tube. With up to 15mm of protection, sharp objects cant penetrate your inner tube. Never Stop Riding In the unlikely event you do get a flat tyre, you can still ride for a limited period of time.* *Excluding fat tyre sizes. More Than Flat Protection Tannus Armours