MotoGPのインスタグラム(motogp) - 7月4日 21時11分
Brake duct or winglet? 🤔🤔🤔// Participate with @motul and let us know your guess in the comments! ⬇️ #MotoGP
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![](https://scontent-nrt1-1.cdninstagram.com/vp/328a46f3d687a05d4e3cd586958516c3/5DBCAB7A/t51.2885-19/s150x150/20634671_1920747558214171_5792846520688574464_a.jpg?_nc_ht=scontent-nrt1-1.cdninstagram.com)
25alienscribbles
It's a "brake duct" however it raises suspicions. If its meant to cool the brakes, then airflow entry point should then narrow to airflow exit point to maximise cooling. This doesn't seem to do that, raising suspicions that its actually a winglet disguised as a brake duct. ?
![](https://scontent-nrt1-1.cdninstagram.com/vp/ddad385070ebee0a00002ac7f31e9f79/5DA042C5/t51.2885-19/11232456_996429940369059_1784501839_a.jpg?_nc_ht=scontent-nrt1-1.cdninstagram.com)
javkine
Tienen que someterlo a túnel de viento, si genera carga en la rueda delantera prohibirlo, que hermosas eran las motos de GP hace unos años, igual es una apreciación personal.
![](https://scontent-nrt1-1.cdninstagram.com/vp/5df8fc298e2236db8d2fa95ff2702666/5DA658A5/t51.2885-19/s150x150/25021536_794557617394143_3912511324558458880_n.jpg?_nc_ht=scontent-nrt1-1.cdninstagram.com)
pandhubagas
Brake duct. Too smal to call this a winglet, it need more surface to gain some down force from the airflow.
![](https://scontent-nrt1-1.cdninstagram.com/vp/93c3d3c4daefca21e97ba0d76869123b/5DA62245/t51.2885-19/s150x150/41007239_476481466188415_187294165044822016_n.jpg?_nc_ht=scontent-nrt1-1.cdninstagram.com)
cheoz0r86
Brake duct to cool down calipers and keep braking fluid at right temperature
![](https://scontent-nrt1-1.cdninstagram.com/vp/1262c7d5ff65bd7f73b650e4eb3bfbbe/5DA14505/t51.2885-19/s150x150/45946159_335627660581605_1218517835744018432_n.jpg?_nc_ht=scontent-nrt1-1.cdninstagram.com)
chadbel810
It's a duct or it would have shape of a winglet the top is flat
![](https://scontent-nrt1-1.cdninstagram.com/vp/45ca8a4fae25cf95a37503bbae186cb5/5DBAD4F3/t51.2885-19/s150x150/12328131_1506421916333757_2004433568_a.jpg?_nc_ht=scontent-nrt1-1.cdninstagram.com)
motosteve
Why would you put a winglet on an unsuspended part of the bike?
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