main calculator | triplet lacing calculator

Rim Dimensions

form populated with data for:

Ryde Andra 40 584

Hub Dimensions

form populated with data for:

Shimano DH-3N72 100mm

Build Parameters

ERD Center-flange distance # Spokes
Drilling offsetA positive value will move left nipples to the left or right nipples to the right. (Negative values do the opposite.)
Flange pitch circle dia
Cross patternIndependent left & right values. Decimal cross values are handled just like Damon Rinard's spocalc.xls, but are not currently supported by the rendering engine.
Spoke hole diameter
Hub offsetA positive value will move the entire hub to the right of center.
 - ICE trike = 6mm
 - Pugsley = 17.5mm
 - Moonlander = 28mm
Rim FlipAuto will flip your rim to the strongest orientation. (only affects asymmetrical rims)
Left Right
Spoke length 268.7mm 268.7mm
Tension distribution 100% 100%
Spoke head clearance 3.29mm 3.26mm
Bracing angle
Wrap angle (at rim) 6.9°
Total angle at rim 9.2° 9.1°
Effective tangential PCD 68.8mm 67.8mm
Flange exit angle 74.5° 74.4°
Theta angle 67.5° 67.5°
wheel dish rendering spoke lacing rendering (left flange) spoke lacing rendering (right flange)