Manufacturer of bicycle parts with over 60 years of tradition
As a specialized brake manufacturer, we develop products with safety and reliability in mind.
We started as a rim brake manufacturer in the early Showa period. After the war, we developed caliper brakes under our own brand name "DIA" brakes for the first timE
In 1965, we developed a new forging technology in-house and created the "DIA-COMPE" caliper brake, a purely domestic product. caliper brakes were born.
This is common for both front and rear.
- We ship within 1-2 business days after receiving your order (payment). (Basically, orders placed before 12:00 p.m. are shipped the same day.)
- Messenger delivery is available within Nagoya City only.
- We ship every day from Monday to Sunday, except for temporary holidays.
- Available delivery areas: All over Japan and the world.
- Please note that delivery may be delayed due to credit card processing status. If you would like to specify the delivery date and time, please fill in your request in the additional information in the shopping cart.
- The product will be shipped from Circles.
- Please contact the shipping company in case of damage or loss during shipping.
Regarding the delivery of completed vehicles
- Please note that a separate shipping fee of 6,600 yen (including tax) will be charged for shipping a completed vehicle.
- After receiving your order, we will perform a final check and ship the completed car, but it may take 1-2 weeks. Please understand.
- Some parts of the bike will be removed for packing. We strongly recommend that you have your bicycle assembled at your nearest bicycle store.
- We will inform you of the delivery date and other details by e-mail.
- We apologize for any sales discrepancies at the store.
Regarding the delivery of frame sets
- Nationwide flat-rate shipping: 3,300 yen (tax included) (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
- We will inform you of the delivery date and other details by e-mail.
- We will provide the pre-treatment of facing and tapping for the frame sets purchased at our store as a service. We will inform you separately after purchase.
- We can also install a headset and BB for a fee, so please feel free to contact us.