Affinity Track Gear Calculator Spoke Length Calculation Kit

Dimensions (Overall): 8.45 inches (L), 8.95 inches (W) x 8.45 inches (D)
Weight: .28 pounds
Model #: GC1
Warranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item,
• 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
• MPN: GC1, UPC: 850014520496
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.