High-precision cutting racing spur gear 48p/72T This is a high-precision spur gear with 72 teeth made from machined POM.
Please use it to adjust the primary reduction ratio. (※1,※2)
※1…If you are installing it on the GRK5-R conversion kit, please change the lower idler gear to the separately sold (R31S101) triple idler system idler gear 28T. ※2…The assembly instructions for this gear combination in the instructions included with the initial lot of the GRK5-R conversion kit contain a typo.
