Strummer Super CNC pulleys are manufactured from stronger materials with a high level of precision. Black ceramic is also used in these pulleys to provide smoother performance.
Compatible with almost all bicycles. These pulleys come with 2 bushings, making them suitable for Shimano & SRAM rear derailleurs.
Strummer Super CNC Technology
Black Hybrid Ceramic Bearings
Bearings with harder and more precise black ceramic balls, combined with steel outer and inner casings. A nylon cage separates each ceramic ball.
Premium Alloy Material & Finishing
Harder alloy material and a more precise, premium finishing process provide a more attractive appearance on the bicycle's rear derailleur.
Specifications
Bearing: Black Ceramic Hybrid Bearing
Design Features: Precision Design & Finishing, Lightweight CNC Design
Narrow-wide design on 12T, 14T, 16T, and 18T keeps the chain in place more securely.
Inner Diameter: Compatible with 4/5/6 mm
Weight (Without Bushing) & Pulley Outer Diameter:
11T = 9 grams, 42 mm
12T = 10.3 grams, 50 mm
13T = 10.7 grams, 52 mm
14T = 11.5 grams, 59 mm
15T = 13 grams, 59.5 mm
16T = 13 grams, 66.9 mm
17T = 14 grams, 67.5 mm
18T = 14 grams, 72.8 mm
