Restrap Fork Bag - Black. The five-litre fork bag from Restrap offers yet more options for carrying your gear. Its 100% waterproof roll-top design will keep your stuff dry no matter the spray and mud. Compatible with most fork cages its two 20mm straps and the option of four sturdy attachment loops keep it securely bound while its hard-wearing Hypalon bases gives it stability and grip to the fork cage.