Sunday Primer 21"TT BMX Freestyle Bike-Matte Dark Brown crank-arm-length-155mm Increased resistance to chain abrasion

Increased resistance to chain abrasion through sonic welded thermo skin applied to the lower right inside ankle

with mechanical stretch for durability and enhanced rider comfort

The Aitken is available in several sizes and colors

Spring Material: 300 Series Stainless Steel

Rise: +/-5˚

Sunday Primer 21"TT BMX Freestyle Bike-Matte Dark Brown crank-arm-length-155mm Increased resistance to chain abrasionThe Sunday Primer 21"TT BMX Freestyle Bike Matte Dark Brown is ready to fire up every session with dialed in performance. Pro level geometry, proven Odyssey components, and a sealed rear cassette hub deliver the durability and reliability riders need to keep progressing. Finished in Matte Dark Brown, the Primer is ready to help build confidence from the very first session. NOTE: As with any complete bike, J&R Bicycles recommends that you have a