Shimano Ultegra ST-6510 STI Flight Deck 2/3 Speed Shifter BB Type_BSA Drop: 123 mm

Drop: 123 mm

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

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

This helps cut down up to 30% of concussion level head impact

Shimano Ultegra ST-6510 STI Flight Deck 2/3 Speed Shifter BB Type_BSA Drop: 123 mmShimano 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