Pulley Strummer Super CNC is manufactured from stronger material with a high level of precision. 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 use with Shimano & SRAM rear derailleurs.
Strummer Super CNC Technology
Black Hybrid Ceramic Bearing
A bearing with harder and more precise black ceramic balls, combined with iron outer and inner casings. A nylon cage is used to provide separation between each ceramic ball.
Alloy Material & Premium Finish
Harder alloy material and a more precise, premium finishing process provide a more attractive appearance to the bicycle's rear derailleur.
Specifications
Bearing: Black Ceramic Hybrid Bearing
Design Features: Precise Design & Finish, Lightweight CNC Design
Narrow-wide design in 12T, 14T, 16T, and 18T sizes keeps the chain in position more effectively.
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
Compatibility with SRAM GX
Pulley compatibility with SRAM GX must be checked according to the RD model, pulley size, bushing, and cage clearance. If you are unsure, check with a dealer.
Compatibility with Shimano 105 Di2 12-speed
Compatibility must be checked based on the RD model, pulley size, bushing, and cage clearance. If you are unsure, check with a dealer.