4 Grooves; 21.2" Outside Diameter; Bushed; R1 Bushing Series; 5V Belt Series; 21.1" Pitch Minimum; 21.1" Pitch Maximum; 1-1/8 To 3-3/4" Bushing Bore Range; Keyway

Transmission Pulley; 4 Grooves; 8.95" Outside Diameter; Bushed; Q1 Bushing Series; A | B Belt Series; 8.2" Pitch Minimum; 8.6" Pitch Maximum; 3/4 To 2-11/16" Bushing Bore Range; Keyway

4 Grooves; 10.3" Outside Diameter; Bushed; R1 Bushing Series; 5V Belt Series; 10.2" Pitch Minimum; 10.2" Pitch Maximum; 1-1/8 To 3-3/4" Bushing Bore Range; Keyway

Transmission Pulley; 4 Grooves; 15.68" Outside Diameter; Bushed; B Bushing Series; A | B | 5V Belt Series; 15" Pitch Minimum; 15-1/2" Pitch Maximum; 1/2 To 2-7/16" Bushing Bore Range; Keyway

Transmission Pulley; 4 Grooves; 5-3/4" Outside Diameter; Bushed; Q1 Bushing Series; A | B Belt Series; 5" Pitch Minimum; 5.4" Pitch Maximum; 3/4 To 2-11/16" Bushing Bore Range; Keyway