Tool Gear Calculator Affinity Track Gear Rotating Chart

• 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

Specifications:

• Tool Type:Gear Calculator
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