Long Stroke 51.1 mm Racing Crankshaft and Pin Ø 14 mm S410485320001 ATHENA

Piston Pin Diameter (mm): 18 Connecting Rod Head Width (mm): 14 Connecting Rod Head Diameter (mm): 20 Stroke (mm): 51.1 Total Shoulder Width (mm): 45 Sheave Side Pin Length (mm): 52.5 Sheave Side Pivot Diameter (mm): 20 Flywheel Side Pivot Length (mm): 61 Flywheel Side Pivot Diameter (mm): 20 Crank Radius (mm): 25.55 Shim Thickness (mm): 20 Connecting Rod Foot Width (mm): 14 Piston Rod Centerline (mm): 97.6 Connecting Rod Head Bearing (mm): 20X26X13-8

• Maximum efficiency and optimum performance
• Extreme resistance to high stress and strain
• Ability to support high power without compromise

The51.1 mm Long Stroke Racing crankshaft with Ø14 mm pin, also known as crankshaft, is an essential component in engine power transmission. Its advanced design ensures maximum efficiency and reliability under all conditions of use.

Athena, a leading manufacturer of motorcycle and auto parts, is synonymous with quality and innovation. Each crankshaft is made of high tensile strength steel and machined with CNC technology, ensuring absolute precision and an optimized structure for extreme performance. Heat and chemical treatments applied impart greater strength and elasticity, ensuring excellent performance even under the most demanding conditions.

All Athena crankshafts are designed and calibrated with the utmost precision to meet and exceed OEM specifications, ensuring a longer service life than original components. Due to their characteristics, they are ideal for highly tuned engines capable of sustaining high power and high stresses.

Athena Range

1. Original - Improved alternative to the stock shaft, with superior balance and lightened connecting rod. The kit includes a special roller cage.
2. Racing (Ø10mm pin) - Shaft with full, lathe-machined cranks to optimize crank chamber volume. Lightened connecting rod and reinforced roller cages.
3. Racing (Ø12mm pin) - Identical to the Racing 10mm model, but with connecting rod foot hole for Ø12mm pin.
4. Racing Corsa Lunga (stud Ø12mm) - Extended stroke version of the Racing 12mm, compatible with Athena Racing Corsa Lunga cylinder kits, to increase displacement up to 80cc.