try 100% scale
| | try 100% scale |
Use these bolt spacings to identify your crank and its smallest chainring.
The minimum size of an Oval depends on its ovality. It is greater for ovalities more than 20% and smaller when less than 20%. Use the formula on Ovals page 4.
| © Chris Bell, 2007 |
| HIGHPATH ENGINEERING Cornant, Cribyn, Lampeter, Ceredigion, SA48 7QW, Wales, UK phone / fax: +44 (0)1570 470035 (UK office hours only) email: 
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