Shimano Altus RD-M310 Rear Derailleur - 7 8 Speed Long Cage Black ModelNumber=E3559 The SRAM RED 22 chain

The SRAM RED 22 chain features more heavily chamfered outer plates for improved shifting and quieter running

Color Black Crank Length (mm) 165 Weight 469 Pedal Spindle 9/16" Spindle Interface Type Hollowtech II Designed for ebike Yes

}WTB Volt Saddle - Titanium Black Narrow

Taillight powers ON with ignition switch

}Topeak Mini Dual Mini Pump - 140psi Silver/Black

Shimano Altus RD-M310 Rear Derailleur - 7 8 Speed Long Cage Black ModelNumber=E3559 The SRAM RED 22 chainShimano Altus RD M310 Rear Derailleur 7 8 Speed Long Cage Black. The Shimano RDM310 Smart rear derailleur has a Wide Link design for increased rigidity and precise shifting. Oversized 15 tooth tensioner and 13 tooth guide pulleys reduce noise and wear SMART CAGE pulley plate provides more ground clearance Advanced light action with precise shifting Compatible with Shimano HG 6 7 8 speed chains TECH SPECS Largest Cog 34 Color Black Rear Der Shifter