They're built from 4130 chromoly that goes through a heat treated process to strengthen them

The rim is available in 36 hole only

they come with a complete Primo bottom bracket included so you can get straight back to it

Colin Varanyak favours a pretty short offset coming in at just 20mm which shrinks his wheelbase to keep his weight more over the front wheel

BSD Levelled Oversized Stem Colour:Black They're built from 4130 chromolyThe oversized version of the BSD Levelled stem, beefs up the size and thanks to BSD's Gorilla Grip system now having a larger 25. 4mm oversized clamping diameter you've got a much tighter hold on your bars. That increase in clamping area size adds 14% more surface area in contact than a regular stem, meaning your bars are a lot less likely to slip when you're flying down a 12 set. ###section### Product Specs TYPE: Top Load REACH: 50mm RISE: 27mm