Japan Bike Technique 2019 Participating Bike Details

04 GrandBois : Lighter weight of commercially available bells. photo©yamashita

03 NAGARA : Small flat bell. It seems to be one-off production. photo©h.omae

06 TOEI : Weight reduction of SHIMANO RD.

04 GrandBois : Lighter weight of Microshift RD. The tension arm is a machined one-off. The sprocket is also machined from aluminum. photo©️h.omae

03 NAGARA : Self-made carbon front rack. The cylinder on the rack is a self-made inflator. This is also made of carbon. photo©️yamashita

02 YANAGI : Two-stage front rack. Is there a cushioning material under the bag to protect "The GIFT"? ..photo©️h.omae

01 MONTSON : Simple & compact rack and bag. The handle is shaped like a bullhorn by cutting off the lower part of the drop bar and mounting it upside down. Di2 controller at the tip of the bar. photo©️h.ichikawa

07 SILK : Frame when "RINKO". Is this a frame? ?? The size and shape. photo©h.omae

07 SILK : The secret is that the down tube. It's made of "thread" and a unique hinge mechanism. The thread is made of "Dyneema". Its tensile strength surpasses that of iron materials. photo©️h.omae

07 SILK : The lightness was also outstanding. It can hold it with your fingers!. photo©️h.ichikawa

01 MONTSON : Unpainted for weight reduction. Light holders are diverted from water supplies. photo©️h.ichikawa

01 MONTSON : A snap button is used to fix the mudguard. It comes off just by pulling it, and it is fixed just by pushing it. The same mechanism is used for the tip of the stay. photo©️h.omae

03 NAGARA : I also made my own mudguard and stay. Made of carbon. There is a device for adjustment in the stay mounting part. The taillight is also made of carbon. photo©️h.omae

08 Velocraft : A device to avoid interference between the disc brake and the guard mounting part. It has succeeded in obtaining a traditional appearance. photo©️h.omae

15 Cherubim ; The rear rack is brazed on. Beautiful finish. The mudguard stay is panel-shaped. Fixed to the seat stay with Velcro. It is devised so that it does not get in the way by reversing the front and back when "RINKO". photo©️h.ichikawa

17 CYCLE-SPORTS : Wide gear ratio with MTB drivetrain. photo©️h.ichikawa

17 CYCLE-SPORTS : Simple rear bag supporter. The design is integrated with the fixed part of the bag to ensure capacity and stability. photo©️h.ichikawa

09 c speed : Although it is a single fixed gear specification, it has a transmission mechanism in consideration of climbing. FD dares to adopt retro specifications. photo©️h.ichikawa

09 c speed : Around the rear of the bike. Uses a retro transmission mechanism. There is no tension mechanism. Tension is eliminated by shifting the front and rear at the same time. photo©️h.ichikawa

14 TCD : Electric assist mechanism. It seems that it was difficult to make. After making a frame using BB once, it was cut according to the bracket part of the electric assist and the bracket was welded and mounted. photo©️h.ichikawa

14 TCD : Sensor part for electric assist mechanis. photo©️h.ichikawa

11 SHIBU : Modern retro. Work that sticks to everywhere. photo©️yamashita

11 SHIBU : Characteristic chain stay. photo©️yamashita

11 SHIBU : Uniquely shaped seat stay. photo©️h.ichikawa

12 TAKAGI : Adopted a double stand as a measure against "Rinko". Keep standing in "RINKO" state. Ingenuity to join and store the seat and handle. photo©️kaniyuka

12 TAKAGI : Effective use of internal transmission. A bracket for connecting the front wheels is provided on the rear axle fixing bolt. photo©️h.ichikawa

07 SILK : Come to the venue with the participating bike on another bicycle. You can see the tires, but can you see that the fork and the body are stored? photo©️yamashita

07 SILK : Front view of the Bicycle. The frame body of the participating bike is stored on the left side. photo©️yamashita

11 SHIBU : Many bikes adopted a front single + wide gear ratio at rear. photo©️h.omae