Doppler Endurance is the most powerful crank from the French manufacturer and a good choice for heavily tuned engines. The crank is round, which increases the primary compression and overall engine power. It is weighed to 18,000rpm. and thanks to the powerful INA bottom bearing, durability is absolutely top notch. Delivered incl. needle bearing. NOTE: Is for ø10mm crosswind. The included needle bearing measures 10x14x13mm
Note: This crank is with 13mm rays.