Building upon Hollowtech II outboard bearing technology, Ultegra adds Hollowglide (hollow outer chainring) construction, increasing stiffness and lowering weight even further. What makes this the FC-6750? its the 110 BCD.
C These Cranks have seen use and have marked part on the Ultegra logo on the drive side. The teeth on the outer chain ring are very well used and will need replaced. The inner chain rings are in good condition.
the change of chainring is reflected in the price.
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