Shimano Ultegra ST-6510 STI Flight Deck 2/3 Speed Shifter BB Type_BSA Note: The BB-30 cranks are

Note: The BB-30 cranks are only compatible with bicycle frames constructed for the BB-30 bottom bracket standard

with good traction and more resistance

Crankset for the Shimano 10-speed Dyna-Sys drivetrain system

Carbon fiber forged aluminium upper and lower body

The hook-less rim design results in a wheel that's lighter

Shimano Ultegra ST-6510 STI Flight Deck 2/3 Speed Shifter BB Type_BSA Note: The BB-30 cranks areShimano Ultegra ST 6510 STI Flight Deck 2 3 Speed Shifter These are the last version of the 9 speed Ultegra shifters. The mechanical parts of these are EXACTLY like the Dura Ace 7700 9 speed shifters, just with a slightly different appearance. Front shifter: 2 & 3 speed compatible Includes complete cable setup Model number: ST 6510 Groupset: Ultegra