*AFFINITY CYCLES* gear calculation chart

$20.47
Only 71 left
SKU
500000809000
こちらは海外向けオンラインストアです。

こちらは海外向けオンラインストアです。
日本にお住まいですか?

OVERVIEW

Spin the perfect gear ratio, on the track or in the streets. Reliable, accurate gear calculations for (700c wheel) track bikes.

Most if not all gear calculation charts online, even in apps are NOT accurate. Affinity did the math and created a simple, easy to use chart which generates 100% accurate calculations.

Rotate the chart to choose your chain ring size. The window displays the results of your chain ring & cog ratio based on 3 different tire sizes.
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SPEC :

Material:Durable plastic
Size:21.5cm

COLOR :

BLACK

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