Clutching Chart
| Altitude in meters (feet) | Shift Weight | Drive Clutch Spring | Driven Clutch Spring | Helix* | 
| 0-1800 (0-6000) | 25-52G PN 5632409 | Black PN 7043594 | Red PN 3234451 | EBS Non-EBS | 
| 1800-3700 (6000-12000) | 25-48 PN 5633217 | Black PN 7043594 | Red PN 3234451 | EBS | 
*EBS models require no helix / spring adjustment