Bar Ends — Meseroll,BMXmuseum.com For Sale / BROOKLYN MACHINE WORKS DOC BARS STEM AND BAR ENDS RARE,Brooklyn Machine Works Big Link. 2001. Jack shaft drive train and brake arm decouple pedaling and braking from the suspension. Of which there was a bountiful 300mm of travel via custom Avalanche,Brooklyn Machine Works x W-Base 20th Anniversary Stubiod Stem,Brooklyn Machine Works Aluminum Bike Stem,