please note: due to significant seasonal demand, order fulfilment and customer service response times are longer than normal.

for urgent orders or customer service requests, please email us with the subject line marked "Urgent".


When it comes to marine sheaves, if ARS doesn't have it, you don't need it. We carry top of the line sheaves from Harken and Ronstan, as well as Ronstan sheave boxes for use with rope and wire. We carry Ronstan Acetal Ball Bearing sheaves, Ronstan Nylon sheaves, Ronstan Nylatron sheaves, Ronstan Acetal Oilite Bearing sheaves, Ronstan Aluminum sheaves, Ronstan Alloy sheaves, Ronstan Brass sheaves Harken Big Boat sheaves, Harken Self Contained sheaves, Harken Narrow Halyard and Steering sheaves, and many more.