Comparison : Item # 50JA12, No. 50 - 5/8" Pitch - QD® Sprockets
Item # 50JA13, No. 50 - 5/8" Pitch - QD® Sprockets
Item # 50JA14, No. 50 - 5/8" Pitch - QD® Sprockets
Item # 50JA15, No. 50 - 5/8" Pitch - QD® Sprockets
Item # 50JA16, No. 50 - 5/8" Pitch - QD® Sprockets