Premium crankshaft from Top Racing suitable for Derbi FDX and FDT. The Portuguese crankshaft specialist has been guarantor of high quality crankshafts for years. The most morn production facilities and over 50 years of experience make Top Racing`s crankshafts a first choice in affordable replacement and tuning crankshafts for scooters and mopeds. This crankshaft is identical in build to the original. In contrast with many Asian copies, the Top Racing crankshaft is provided with copper thrust washers. An excellent choice if you`re after a replacement crankshaft with good finish quality and operational performance. The crankshaft is shipped with the small end bearing included. High quality- made in Portugal.