Developed for use by Olympic and World Championship medalist velodrome racers, Sugino 75 DD2 crank arms feature a super stiff IDS24 splined chromoly axle that is nickel-plated to prevent corrosion.
Includes Sugino MB-608 English-threaded (BSA) outboard bearing bottom bracket, non-drive side pre-load bolt and Sugino knurled chainring bolts.
Available in 165mm or 170mm lengths and compatible with any 144mm bcd track chainring of your choice.
Please don't ask if you can buy the crank arms without the bottom bracket. You can't.