Tour etapa 13 montaña gana barguil lìder aru , ataca contador y entra el 10º de la general

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Veridrive is a new variable speed chain drive made in our small workshop,its a new flat gear box that can be used for many applications.
The five drive sprockets in this prototype expand and contract together for a seamless ratio/gear change.
An additional part of the project is to develop a cadence and heart rate control via a chest strap,you will be able to dial in a heart rate or cadence or watts the rider requires, or a combination of all three,so whatever the terrain the gearing ratio will automatically change to the riders input settings,this will be an add on part.
It can also be scaled up or scaled down and made from a variety of materials depending on the application.
Fixed to a bicycle it takes up no more room than a standard front 3 ring.
The chain always stays in line,the one above is 205mm dia X 20mm
A scaled down Veridrive can also be attached to the rear wheel if required.
We are well on the way with the next stage I will post it when its ready

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Ataque de contador que se va con landa , los cogen al final barguil y quintana, y se disputan el sprint que gana barguil, segundo quintana tercero contador .El lìder llega con froome a 1:47 , landa pasa al 5º puesto de la general
etapa
Pos. Ciclista Equipo Tiempo
1 Warren BarguilFRA SUN 2h 36:29
2 Nairo Quintana COL MOV + 00:00
3 Alberto Contador ESP TFR + 00:00
4 Mikel Landa ESP SKY + 00:00
5 Simon YatesGBR ORS + 01:39
6 Dan MartinIRL EQS + 01:39
7 Michal Kwiatkowski POL SKY + 01:48
8 Chris Froome GBR SKY + 01:48
9 Fabio Aru ITA AST + 01:48
10 Rigoberto UranCOL TCG + 01:48



general
Pos. Ciclista Equipo Tiempo
1 Fabio Aru ITA AST 55h 30:06
2 Chris Froome GBR SKY + 00:06
3 Romain BardetFRA ALM + 00:25
4 Rigoberto UranCOL TCG + 00:35
5 Mikel Landa ESP SKY + 01:09
6 Dan MartinIRL EQS + 01:32
7 Simon YatesGBR ORS + 02:07
8 Nairo Quintana COL MOV + 02:07
9 Louis MeintjesRSA UAE + 04:51
10 Alberto Contador ESP TFR + 05:22