STAGE6 HPC 45MM STROKE / 90MM CONNECTING ROD DERBI E3 / E4

Discover the pinnacle of performance with Stage6's Crankshaft HPC 45mm stroke / 90mm connecting rod, engineered specifically for Derbi Euro 3 / Euro 4 models. Ideal for racing and high-end cylinder setups, this crankshaft is the perfect complement to Stage6's 88cc cylinder kits (Big Racing + Streetrace).

Crafted by tuning experts at Stage6, this High Primary Compression (HPC) crankshaft boasts exceptional features tailored for tuned engines. The full-circle crank webs, slightly lighter for enhanced performance, combined with light alloy balance weights ensure outstanding balance. The specially designed 14mm wide connecting rod offers superior strength, reducing bearing wear and providing stability even at high speeds.

With a 45mm stroke and a 90mm long connecting rod, this crankshaft is versatile, compatible with various racing and high-end racing cylinders requiring a 45mm stroke crankshaft.

Ensure optimal performance by installing new crankshaft bearings, oil seals, and Stage6 gear oil. Find the recommended products conveniently listed below.

Please note:
- Some crankcase milling may be required for smooth operation of the connecting rod. Verify the necessary modifications before assembly.
- Technical specifications:
- Connecting rod: 90mm (original)
- Stroke: 45mm
- Piston pin: Original (12mm)
- Small end bearing: 12x17x15mm
- Weight: 1475g
- Maximum speed: 16,000rpm
- Intended use: Racing / High-End Racing
- Compatible with Derbi Euro 3 / Euro 4 (Derbi, Aprilia, Gilera after 2006) models.