This is all I could get from Baron's:
Sorry, we do not sell an aluminum 31-tooth pully.
Rudy
Sent: Saturday, October 18, 2008 6:06 PM
To: [email protected]
Subject: BA-6521RD
Is BA-6521RD steel as the instruction sheet indicates?
Do you still sell an Aluminum 31-tooth pulley for the RSWarrior?
Thanks.