Overview Reviews Product Description JSJ4-02-11-00 Challenger idler side lock release sheave bracket for use on models E10 and E12. We are an authorized challenger distributor. Genuine Challenger lift parts! Product Videos Custom Field Product Reviews Write a Review Write a Review × Challenger JSJ4-02-11-00 Challenger Lock Release Sheave Bracket, Idler Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *