![Help with shimano sc-6502 flight deck for ultegra 6600 - Only notices changes on the front derailleur but not from the rear one rendering the rpm function useless : r/bikewrench Help with shimano sc-6502 flight deck for ultegra 6600 - Only notices changes on the front derailleur but not from the rear one rendering the rpm function useless : r/bikewrench](https://preview.redd.it/nwn3ioxkw7q61.png?width=1462&format=png&auto=webp&s=960fb3db1fa0f15615d76d77f417bd958259d62e)
Help with shimano sc-6502 flight deck for ultegra 6600 - Only notices changes on the front derailleur but not from the rear one rendering the rpm function useless : r/bikewrench
![Shimano (SHIMANO) flight deck (FLIGHT DECK) corresponding Sora (SORA) STI lever ST-3300 (ST-3304) R / L combined lever front x3s rear x8s right-and-left set : Amazon.com.au: Sports, Fitness & Outdoors Shimano (SHIMANO) flight deck (FLIGHT DECK) corresponding Sora (SORA) STI lever ST-3300 (ST-3304) R / L combined lever front x3s rear x8s right-and-left set : Amazon.com.au: Sports, Fitness & Outdoors](https://m.media-amazon.com/images/I/61oVUby0TNL.jpg)
Shimano (SHIMANO) flight deck (FLIGHT DECK) corresponding Sora (SORA) STI lever ST-3300 (ST-3304) R / L combined lever front x3s rear x8s right-and-left set : Amazon.com.au: Sports, Fitness & Outdoors
![Branford Bike Shimano Flight Deck Bicycle Computer, STI Hoods, Spare Parts and Wiring Kits. Wireless, Road Branford Bike Shimano Flight Deck Bicycle Computer, STI Hoods, Spare Parts and Wiring Kits. Wireless, Road](http://www.timslife.com/imgsbike/computer/shimano/cy6514.jpg)