Track Gear Calculator

TOOL GEAR CALCULATOR AFFINITY TRACK GEAR ROTATING CHART

  • $22.99


  • 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

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