•  Part # 610816
  •  Model : AFFINITY Track Gear Calculator
  •  Supplier Part # GC1
  •  TOOL GEAR CALCULATOR AFFINITY TRACK GEAR ROTATING CHART
  • Price: $22.00
    $22.00
    In Stock

      Quantity:
      Item #: 610816
    •  Rotating chart for making track related gear calculations simple
    •  Spin the perfect gear ratio, on the track or in the streets - reliable, accurate gear calculations for (700c wheel) track bikes
    •  Affinity did the math and created a simple, easy to use chart which generates 100% accurate calculations unlike inaccurate online calculators
    •  Rotate the chart to choose your chain ring size, the window then displays the results of your chain ring & cog gear ratio based on 3 different tire sizes
    •  19 chain ring variants (47-65t) and 6 cogs (12-17t) for a total of 342 total calculations
    •  Gear Calculator