Spoke
Length
Calculator

Dedicated to the craft of building bicycle wheels

Alex AT490 650c rim Dimensions

ERD
538.5mm
ISO/ETRTO
650c (ISO: 571)
Left & Right OSB
0mm & 0mm
Spoke Count
16h, 18h, 20h, 24h, 28h, 32h, 36h, 40h, 48h, 64h
Brake Type
Rim Brake
Rim Bead Type
Tubeless
Rim Hook Type
Hooked Rim
Eyelet Type
No Eyelets
Rim Inner & Outer Width
17mm & 22mm
Recommended Nipple Length
12mm
Recommended Tyre Width
From 24mm* To 37mm* wide
Rim Weight
450g
User Note
Info

*The tyre minimum width and maximum width have been calculated by multiplying the rim's inner width by 1.4 and 2.2, then rounded to the nearest whole number.

If this is a tubular rim, you can re-calculate the minimum tyre width by 1.1. These measurements should be used as a rule of thumb only and the manufactures recommendations should be used.

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