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Thursday, 5 March 2015

Everthing you need to know about Wheel sizes & Spokes (ETRTRO/Inches/French Std)

Here's a sweet little fact: 
The first (Geoff Apps-designed) 700C wheeled off-road bicycle was made in 1981.




It's all here, Inches vs ISO-5775/ETRTRO vs French.

Schwalbe :
BikeCalc.com:
http://www.bikecalc.com/wheel_size_math
(Best read what is says about it first though)


There' s also this handy spoke calculator here:


Both need updating for 27.5" wheels, but also note that 29ers or two-niners are mountain bikes and hybrid bikes that are built to use 700c or 622 mm ISO (inside rim diameter) wheels
From https://en.wikipedia.org/wiki/ISO_5775

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