0.625 Pulley

Pointless cycling gear: Ceramicspeed pulley system

0.625 Pulley

IHPVA studies http://www.ihpva.org/HParchive/PDF/hp50-2000.pdf http://www.ihpva.org/HParchive/PDF/hp52-2001.pdf Calculations: 250W input. 95% assumed drivetrain efficiency. Thus losses on the drivetrain: 12.5W. 5% of losses are on the derailleur pulleys Thus possible loses on the pulleys: 0...

Tags: derailleur,ceramicspeed,oversized pulley,drivet...