Strummer Super CNC pulleys are manufactured with stronger materials and high precision. Black ceramic is also used in these pulleys to provide smoother performance.
Compatible with almost all bikes. This pulley is sold with 2 bushings, making it suitable for Shimano & SRAM rear derailleurs.
Super CNC Strummer Technology
Black Hybrid Ceramic Bearings
Bearing with harder and more precise black ceramic balls, combined with iron outer and inner casing. Nylon cage is used to provide separation between each ceramic ball.
Premium Alloy Material & Finish
Harder alloy material and more precise and premium finishing process, give a more attractive appearance to the rear derailleur of the bicycle.
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) & 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
Interested in Our Products?
We do not serve online product sales. Contact the nearest dealer/reseller to get our products.
Click here to get the location of the nearest dealer in your city. Our dealers also serve the sale of our products through several online marketplaces in Indonesia such as Open, Shopee, And Tokopedia.
We are in the process of looking for dealers/distributors outside Indonesia. Contact us if you are interested in becoming our dealer/distributor.
For buyers in countries that are part of the ASEAN (Association of Southeast Asian Nations) organization and the ASIA region, there is a possibility that you can also buy our products through Shopee. The following are countries that can be reached through Shopee:
Shopee Malaysia
Shopee Philippines
Shopee Singapore
Shopee Thailand
Shopee Vietnam: Based on the inspection on 18 Jan 2025, our products are not yet available on Shopee Vietnam. You can use our website to get our products.
Shopee Taiwan
The stock of goods on Shopee International may be incomplete. If the item you are looking for is not available, we recommend that you purchase through our website.
You may need to pay import taxes/duties in your respective countries. The value of import duties and taxes will depend on the regulations and rules in each buyer's country.
We reserve the right to change the shipping courier without prior notice, if there is a problem with the courier selected at the time of payment.
Some buyers have problems during the payment process. You need to contact your bank to provide information that the transaction you made is real and not a fraud. This failure occurs because your credit card detects that our website is outside your country area and therefore blocks the transaction. After providing information to the bank, usually the transaction can be done.
Please feel free to contact us for further information, we will try our best to fulfill your order.

Impressive
Where can i buy this ?
You can get our products via our network of dealers and resellers. To locate the nearest store in your city or town, simply click the link provided below.
Innovation, since day one
Since our inception in 2008, we strive to make better products that can be depended on. Starting with our CAD technology. Our headsets remove unnecessary clamping to fork axle while providing identical performance. We are also one of the first to sell convertable hubs in Indonesia.


Focus on the details
We obsessively focus on the details. Improving by the millimeter. Adding the stiffness of our hubs by widening the flange of our hubs, thus increasing wheelset stability and strength.