Promotion valid from November 19 until December 31, 2019, or while supplies last. 36,500 free trips available. Exclusive promotion only users of the GRIN app that are credit card holders of Banks Aval, issued in Colombia (Bogotá & Medellín), that are current and active. Users can receive a trip of $ 5,000 COP in credits for their GRIN app, equivalent to the cost of unlocking and 11 minutes of travel, paying with credit cards from Aval Banks (Banco Bogotá, Banco de Occidente, Banco Popular, Banco AV Villas ). Maximum 10 trips per user, that is, $ 50,000 COP per month in GRIN credits. The credits will be paid to the GRIN App within the first 8 business days following the end date of the Promotion. The Promotion is not combinable with other incentives or promotions, or exchangeable for the value of its amount in any currency or other promotion. The user will be responsible for any tax and/or expense derived from the transaction or transactions made with the credit card of the Aval Banks. Grupo Aval and the Aval Banks, act as allies of the promotion, for which they are not responsible for the implementation of the promotion, the quality and quantity of the goods and services that the user receives during the promotion, the damages that the user may suffer or be caused to third parties, or any change in the conditions thereof. Organized by Grin Colombia S.A.S.