Rear Metal Axle upgrade forD12, D32 and D14*not compatible with D42/D22 as D42/D22 has shorter wheelbase. For D42/D22 version, Click hereParts included as shownBuild instruction refer to C34M-https://cdn.shopify.com/s/files/1/0277/4692/6626/files/B36KM_ENG
Rear Metal Axle upgrade forD12, D32 and D14
*not compatible with D42/D22 as D42/D22 has shorter wheelbase. For D42/D22 version, Click here
Parts included as shownBuild instruction refer to C34M-https://cdn.shopify.com/s/files/1/0277/4692/6626/files/B36KM_ENG.pdf?95
Tips for smooth metal axle assembly
