Suitable for T-REX 500X RC Helicopter Electric Series

Innovative Adjustable Belt Guide Pulley

Convenient Way to Adjust the Belt Tension

Maintain Optimal Belt Tension Over Time

Replacement Bearing

(681ZZ-d2) 2x4.5x2mm - H15R001XX

Package Includes

500X Belt Pulley Mount x 2(12.5x8.5x12mm)

500X Belt Pulley x 2 (4.5x8x7.2mm)

500X Belt Pulley Spring (4x5.2x15mm) x 2 (4x5.2x15mm)

Bearing 681ZZ-D2 x 4 (2x4.5x2mm)

Socket Button Head Screw x 2 (M2x8mm)