For this version of Isaac's signature frame

3” (slammed) chainstay make this frame super responsive

Whilst grinding on the BB shell of your frame is cool

Made from full CNC machined 6061-T6 alloy for unparalleled strength with unique CNC detailing throughout and central bore to shave weight without sacrificing any of that strength

Primo Down Stem 49 - 52mm For this version of Isaac'sDesigned for Stephan August the Primo Down Stem is a classic style stem built for extra strength. Built from fully CNC machined 6061 aluminium the Down Stem is incredibly strong and durable with minimal cut outs keeping it looking classic. It features oversized bolts for increased clamping grip to stop those bars from slipping. ###section### Product Specs TYPE: Top Load REACH: 48mm RISE: 24mm CLAMPING DIAMETER: 22. 2mm WEIGHT: 381g (13. 44oz)