The Primo HD Rear Hub is available in both LHD and RHD

Note: This will fit the Cortex and 2017 Dynamic front hubs

Kids are getting serious about BMX at younger and younger ages

The Jr comes with a lower height steel frame and 18

Now with 10 degree layback design

Subrosa Matt Ray Designer Mid Pivotal Seat - Black Black reviews_3-5 The Primo HD Rear HubMatt Ray Signature seat from Subrosa. Pivotal style with a high density mid size padding. 3 panels design with double stitched seams. High quality vinyl fabric with Kevlar stripes on top panel. New slimmer base with hidden guts, hidden bumpers and reinforced nose. ###section### Product Specs TYPE: Pivotal PADDING: Mid WEIGHT: 12. 2 oz