The same high performance and fun of the Neon models, presented in an exclusive smokey shell with black rotor and ultrabrite white LEDs - a devastating combination that really turns heads.
Signature is supplied with an inbuilt digital counter, wrist cord and a mini DVD featuring various Akis world records, exercises and other footage.
Buy Powerball Nutrition & Training from Chain Reaction Cycles, the World's Largest Online Bike Store.
If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or fitted.More information on returns