Model: A2K Chrome finish Number of teeth: 18T Compatible with 1/2" x 1/8" wide chain Standard ISO threading 1.37" (34.9mm) Weight: 208g New in box
Model: A3K Chrome finish Number of teeth: 20T Compatible with 1/2" x 1/8" wide chain Standard ISO threading 1.37" New not boxed
Model: A8K Color: Silver Number of teeth: 18T Compatible with 1/2" x 1/8" wide chain Standard ISO threading 1.37" Weight: 182 gr New in box
Model: A8K Color: Silver Number of teeth: 16T Compatible with 1/2" x 1/8" wide chain Standard ISO threading 1.37" Weight: 148 gr New in box
Chrome finish Number of teeth: 16T Compatible with 1/2" x 1/8" wide chain Standard ISO threading 1.37" (34.9mm) Weight: 136g New in box