microSHIFT MarvoLT M46 Rear Derailleur - 8/9 Speed Long Cage Black Model=Nord BMX Stem Heart Rate Monitor Yes Solar

Heart Rate Monitor Yes Solar Charging No Watch Color Black Wristband White - Silicone Connectivity Bluetooth Customizable Screen No Battery Type Lithium Ion GPS Via phone Touchscreen No Primary Color White

4 Rim Width (Internal) 28 Tire Type Tubeless Ready Valve Presta Valve Length Short 32-40mm Weight 431 Wheel Size 26"

Compatible with Surly New hubs (upgrade kit) and Surly Ultra New hubs (replacement kit)

Hooks will also hang nicely from the top edge of steel shopping carts while getting groceries

microSHIFT MarvoLT M46 Rear Derailleur - 8/9 Speed Long Cage Black Model=Nord BMX Stem Heart Rate Monitor Yes SolarM series rear derailleurs are designed to work with 8 and 9 speed Shimano compatible mountain and road shifters. Marvo LT rear derailleurs are made in precision rigid aluminum construction. Let these miracle workers get any bike rolling again. Light weight aluminum construction Steel pulley cage for extra chain rub durability Compatible with Shimano 8 and 9 speed mountain and road systems Largest Cog 36 Rear Der Shifter Compatibility Shimano Mountain