their quest to develop some of the toughest cranks on the market paid off after machine testing and riding testing proved them to be insanely strong

50mm reach

fork and bars making the Boulevard incredibly strong and durable no matter which discipline you ride

and manufactured using the same engineering found on their legendary Thunderbolt cranks

77oz) (100 links)

Box One BMX Race Disc Brake Adapter (Sliding Dropout) - Black supplier_55074282209606 their quest to develop someThe Box Disc Brake Adapter is designed to help improve braking control on frames where disc brakes were not standard. Compatible with 2 types of dropouts and 3 10mm hubs, in the right configurations, the Box Disc Brake Adapter goes over your hubs axle and mates with the frames dropout, allowing mounting of a standard post mount disc brake caliper.