AJ61059: Chain Sprocket, 24 Teeth 490 80 mm (1 1/4 in) HXE118639 The Right Side Backbone 442
Baker’s notes & crumb story
Description
AJ61059: Chain Sprocket, 24 Teeth 490 80 mm (1 1 4 in) HXE118639 The Right Side Backbone 442 80 mm (1 1 4 in) outer diameter resulting in improved responsiveness and power transfer