BMX bike cranks, sprockets and chains for sale online. Buy quality bicycle hardware from mafiabike.com. Check out the specification on our Gully bicycle sprockets:
6 mm thick
5 axis CNC machined
7075 T6 heat treated alloy
19 / 22mm fitment
Mafia BMX has a huge range of BMX parts to upgrade and customise any BMX bike. Whether you're looking to upgrade your bike, or replace old parts, Mafia has all the BMX parts you need. We offer a massive range of BMX bike parts, including parts for steering, drivetrain, seating, braking, and everything you need to customise your BMX bike.
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