The GSI AH50 hub extension is the perfect add on to your GSI wheel. It extends the shaft by 50mm. Each side uses a 70mm bolt pitch pattern that directly connects to all DD bases on the market. One side has fully thread holes while the other side has all non threaded holes to allow for any combo of connections to wheels and bases.. Constructed out of billet 6061 aluminum with models anodized inGold, Black, Red, Purple, Green, and Blue.
*Each hub comes with six M5 x 12mm screws for mounting.
