Pulley Strummer Super CNC is produced with stronger materials and high precision levels. Black ceramic is also used in this pulley to provide smoother performance.
Compatible with almost all bicycles. This pulley is sold with 2 bushings, making it suitable for Shimano & SRAM rear derailleurs.
Strummer Super CNC Technology
Black Hybrid Ceramic Bearings
Bearing with harder and more precise black ceramic balls, combined with outer and inner iron casings. A nylon cage is used to provide separation between each ceramic ball.
Premium Alloy Material & Finish
Harder alloy material and a more precise and premium finishing process give a more attractive appearance to the bicycle's rear derailleur.
Specifications
Bearings: Black Ceramic Hybrid Bearings
Design Features: Precision design & Finish, Lightweight CNC Design
Narrow wide design on 12T, 14T, 16T, 18T for better chain retention.
Inner Diameter: 4/5/6 mm Compatible
Weight (Without Bushing) & Outer Diameter of Pulley:
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
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