Crankshaft Top Performances 44Mm Stroke Derbi Euro 3 / 4

Racing Crankshaft Top Performances Derbi D50B0 High-end full-circle long-stroke crankshaft from Top Performances with 44mm stroke and 90mm connecting rod. Equipped with 5 balance inserts to convert combustion energy into rotational motion as efficiently as possible. The balancing is tuned specifically for high to very high-revving race cylinders. This crankshaft is extremely durable and built to handle the demands of race engines. Includes a high-quality SKF crankshaft bearing kit with oil seals and a high-quality 12mm small end bearing. Note: Minor modification of the engine case is required to fit this 77mm long-stroke crankshaft. The crankshaft is also available as a tuning pack with the powerful 86cc cast iron cylinder from Top Performances and is specially designed for it. However, you can of course also use this racing crankshaft with other cylinders with a 44mm stroke. Specifications TPR long-stroke crankshaft Derbi Euro 3 / Euro 4 Full-circle crankshaft with balancing inserts Stroke: 44 mm Connecting rod: 90 mm 12 mm piston pin Includes small end bearing 12x15x15 mm Includes crankshaft bearing set (SKF with plastic cage) Includes oil seal set For racing and high-end cylinders with 44 mm stroke