1. Material: metal bearings + ceramic balls
2. Technology: CNC milling, polishing and grinding, anodized dyeing
3. Applicable: 4/5/6MM screw aperture/8/9/10/11 speed shifting system
4. Deep gear guide wheel, can effectively reduce chain drop, change speed dry, more stable chain
5. Ceramic ball self-lubricating and maintenance-free features, smooth rotation and higher transmission efficiency, saving cycling power
6. Bearing reduces friction, suitable for tension/guide sprocket
7. Size:
- 11T: 41 x 9mm
- 13T: 50.5 x 9mm
8. Weight:
- 11T: 7g
- 13T: 8.3g
ATTENTION: The availability of every product is referred in it and is analyzed below:
In stock: for the products that have at least one item in stock.
On Order: Refers to Products that aren't in stock and will be included in the next scheduled import if you proceed to your order. Shipping time of your order 7-15 working days. This time does not include the shipping time of the shipping method you have selected.
(Imports are being done every 7-15 business days).
If you want your order to come to your place directly, please choose products that are in stock and quantity lower or equal to the available one.







