SRAM EX1 Rear Derailleur - 8 Speed Long Cage Black CheckoutSpec= Overall Length 167.7mm }Robert Axle Project Resistance Trainer

}Robert Axle Project Resistance Trainer 12mm Thru Axle Length: 172mm Thread: 1

2mm Silver

25mm thick at the tooth which fits inside most narrow 6 through 9 speed chains and the pulley cage is wide enough to allow 1/8″ single speed chains as well

The chain is the heart of the Eagle drive train completely re-engineered for 1x systems and the innovative X-Sync 2 chainrings

}Easton Microfiber Bar Tape - Blue

SRAM EX1 Rear Derailleur - 8 Speed Long Cage Black CheckoutSpec= Overall Length 167.7mm }Robert Axle Project Resistance TrainerSRAM EX1 Rear Derailleur 8 Speed Long Cage Black. The EX1 drive train was designed specifically for the demands of electric assist mountain bikes: a wide gear range with bigger jumps between gears and sturdy components to handle higher torque loads. Liberal use of features found on SRAM's high end MTB parts provide high value quiet operation and ease of service. X Horizon design minimizes chain slap maximizes 1x drive train performance Engineered for