Important notification to customers
- Caution points of when installing the left crank of Sugino IDS24 2-piece-crank.
For the M6 clamp bolt type (for a 5mm hexagonal wrench), click here.
For the M5 clamp bolt type (for a 4mm hexagonal wrench), click here.
- About ZEN chainring
On some websites, chainrings made by other companies are falsely introduced as ZEN.
However, Sugino Engineering is the only manufacturer of ZEN chainrings, which please be aware.
- About B.B. (Bottom Bracket)
Please use the crank and bottom bracket in accordance with the combination specified by us.
Inappropriate combination of the parts may cause functional troubles and lead to serious accidents.
If you have questions regarding installation and adjustment, please contact a professional.
- For safe use of Sugino products
Inappropriate installation may cause functional troubles and lead to serious accidents.
For installation, please contact a professional.
Please do not alter these products, including changes in logos, surface treatment and so on, as it may cause serious accidents.
We will not accept returns and exchanges and will not take any responsibility for altered products.
Use of the NJS products altered as described above is prohibited at keirin races even if the NJS mark is visible.
- Please be aware of counterfeit Sugino products
There are counterfeit being falsely sold as Sugino products on internet auction sites (such as China Mall, Taobao, etc.).
We checked these counterfeit products and confirmed that their quality was below our standards.
Please be aware that these counterfeit products may threaten your safety.
In addition to JIS, BAA and EN, we establish our own strict safety standards and carry out thorough quality control accordingly.
Sugino products are sold only through the official agencies of "Suginio Engineering" in Japan.
We have no responsibility or obligation and accept no return or exchange for the counterfeit products.
- The product colors may look different from the photos.