Serpent 904127 977E Rear Tensioner Shafts Pair  [SER904127]

Precision Rear Tensioner Shafts for the 977E

Fit the Serpent 904127 shafts into the 977E rear assembly to lock in correct belt tension and reduce unwanted play. This set of two gives dependable operation and an easy upgrade path for hobbyists wanting a neater drivetrain response.