This is the Robinson Racing 48 Pitch "Six Pack" Pinion Gear Starter Set. The SIX-PACK Starter Set is an economical way to test different gear ratios before buying lightened and hardened premium pinions. There are six different precision cut pinions that let you find the optimum ratio for you and your machine. 1/8" bore, 48P. Six 5-40 set screws are included.
NOTE: SIX-PACK gears are not marked with tooth number.
Royal mail at £3.50, or Express at £6.95.
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