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It is a pity but it seems that my relationship with the brand Assos, which I practically introduced to Spain, has come to an end. My relationship with the brand began when I was in charge of a sports shop where cycling sportswear barely sold. As a cyclist, I was familiar with this prestigious brand, known for its high quality apparel. I suggested to my boss at the time that he carry the line. My boss’ first reaction was: “But, look at these prices, this brand’s expensive! How can we sell this?”


He was wrong. From the moment that I placed a mannequin wearing a pair of cycling tights (the Assos TFI 13 S2 to be precise) in the shop’s window, an instant boom in sales ensued. Later on, I opened my own business and, together with my wife, created U51, a shop whose signature trademark was and is personal consultancy to any and all sports enthusiasts who want to dress in the finest brands or are looking for the best the market has to offer. That was when it dawned on me that there was a dearth of information on material, fabrics or how manufacturers size their brands differently. There was no information at all. Right about then I had the idea of making explanatory videos of my brands, products and, especially, Assos products, which I thought were excellent. The sales of this brand were incredible; I am convinced that this was due in large part to my sales technique and an ability to transmit to customers the quality and types of maillots or cycling T’s, culottes or cycling tights, and so forth. Modesty aside, I believe I became a point of selling reference for this brand in Spain; I have always bet on this brand, as cycling chat forums will attest. As a matter of fact, on any given Sunday, 1 out of every 10 cyclists in Guipuzcoa province (Spain) wears Assos because he or she has purchased it in my store, online or by phone, the three ways in which I sell my merchandise.


About a year ago, in my quest to look for, find and offer the best brands to my customers, I came across a new brand which is trying to make a name for itself, the cycling brand U51PRO. It is still unclear if that is the reason why Assos suddenly began to pull back on supplying me with its products, which I had always praised on my blogs, personally in my shop, and so forth. It is true that recently there have been problems with the fabric in some items, issues with company guarantees, and complaints by users which I have not hesitated to hang on my blog. However, we do regret that unilaterally and without official notification (despite my efforts to obtain something in writing) the Assos brand has forbidden us from selling their sportswear, or even to express ourselves in any way about them.


We do not know the real reason. Did they not take kindly to our praising or selling U51PRO cycling wear? Did they take umbrage to our publicizing the dissatisfaction with post-sales customer service or was it due to the drop in quality of the fabric which was brought to our attention by unhappy customers, something which we had observed ourselves?



Clearly, life has taken us down certain paths and not others. I separate myself from Assos, I no longer will sell this brand. First, because I disagree with the company’s methods, their way of handling things, which, I must say, have bordered treacherously at times on genuine threats. Secondly, we believe there are better products available at the same price around. Since it has always been my desire to offer the best to my customers, it makes no sense to continue offering this brand. We have reached an end.


I truly appreciate the loyalty of all of you, who have supported and continue to confide in me. My commitment to personally advising customers and offering them top merchandise has its rewards. You transmit your satisfaction with a job well done every time you go out cycling, mountain climbing or running with a product that I have recommended and provided.


Best to you all and thanks again,

Mikel Kolino




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Dear Friends:

Since opening the doors to our first U-51 Pro shop in San Sebastian, we have offered only leading brands whose quality in unassailable. Thanks to this strategy, our business has grown exponentially at both our locations: the maiden store initially and our present shop at Avenida de la Libertad, 1.

Our loyal customer base knows that at U-51 Pro it will find easygoing and approachable staff interested not only in selling but in seeing the customer walk away completely satisfied from whichever sporting endeavor he or she pursues, be it running, cycling or climbing. Why? Because I am a sports lover just like you. I know what it means to suffer pedaling uphill and the indescribable pleasure of pedaling down. I know what it is to hit The Wall in a marathon and, conversely, the triumphant euphoria one feels crossing the finish line.

Nobody knows it better than me, Mikel Kolino, founder and owner of U-51 Pro. I feel what you feel, I want what you want. Good service and good quality. Simple, right? Unfortunately, things are not always as easy as they seem despite our continuing efforts. For example…

Lately, we have been experiencing an increase in the number of claims and complaints owing to non-compliance of defective merchandise guarantees associated with the Assos brand. The most common product problems have been premature wear and tear, apparel discoloring and faulty zippers.

As all of you know, I have always supported the Assos brand, being as it is one of the most reputable manufacturers throughout Europe and the world. In fact, I continue to be one of the company’s major supporters and sellers. The problem, however, is that some of our more estimable customers have voiced discontent regarding the lethargic pace in honoring company guarantees.

Mistakenly, some have pointed fingers at U-51 Pro and its online shop, blaming us for this tardiness and that just isn’t so. Every sinner has his or her sins. Ours normally do not include undue delays or non-compliance of a product guarantee.

Therefore, I want you all to know that we will correct this blip of a misunderstanding with the aim of restoring your confidence in us and recovering the stability which has characterized our relationship over the years.

Happy Holidays!

Mikel Kolino

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Queridos Amigos: Desde que abri las puertas de nuestra primera tienda de U-51 Pro en San Sebastián, me he dedicado a ofrecer las marcas más punteras y de mayor calidad. Gracias a ello, el negocio ha crecido exponencialmente tanto en nuestra antigua dirección como la actual de Avenida de la Libertad, 1. Nuestros fieles clientes saben que en U-51 Pro se van a encontrar con personal de trato fácil y cercano, uno que se interesa no solo por vender sino que el cliente se lleve una satisfacción absoluta a la hora de practicar el deporte de su preferencia bien sea el correr, el ciclismo, o el montañismo. ¿Por qué? Porque soy un deportista apasionado como vosotros, gente que conoce el sufrimiento de subir un puerto y el placer indescriptible de bajarlo; comprendemos lo que es chocar contra El Muro en un maratón y a la inversa, sentir esa euforia única que se palpa al cruzar una línea de meta con los brazos alzados. Nadie lo sabe mejor que yo, Mikel Kolino, fundador y propietario de U-51 Pro. Yo siento lo que Ud. el cliente siente y quiero lo que Ud. el cliente quiere. Buen servicio, buena calidad Sencillo, ¿no?  Desgraciadamente, las cosas no siempre funcionan como uno quiere a pesar de nuestros continuados esfuerzos Por ejemplo… Últimamente, he experimentado un aumento en el número de quejas y reclamaciones debido al fallo de las garantías de productos defectuosos de la marca Assos. Los problemas de género más comunes han sido desgastes prematuros, descoloramiento de prendas o cremalleras imperfectas. Como todos sabéis, yo siempre he ido a misa con esta marca al ser uno de los fabricantes más reputados de Europa y del mundo. Y sigo siendo uno de sus mayores seguidores y vendedores. Lo que pasa es que algunos de nuestros estimables clientes han demostrado su descontento por la lentitud en honrar la garantía de la empresa. Erróneamente, han señalado a la tienda física de U-51 Pro o la tienda online como máximas responsables y sinceramente no es el caso. Cada pecador tiene sus pecados y los nuestros normalmente no incluyen retrasos indebidos o incumplimiento de una garantía. Por lo tanto, quiero que todos sepáis que entre nuestros objetivos más inmediatos está la rectificación de esta anomalía con el fin de restaurar vuestra confianza y recuperar esa relación estable que hemos gozado a lo largo de todos estos años. ¡Felices Fiestas! Mikel Kolino IMG_20131219_183416 IMG_20131219_183535 IMG_20131219_183512 IMG_20131219_183436 descarga (1)

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Aquí teneís la nueva generación s7  de culotes assos, aunque serán cuatro referencias diferentes y para cada situación hoy os enseño el st Equipe s7. Como novedad mas destacable es el nuevo soporte en la licra,mas compresiva , nuevo diseño en  tirantes, así como un nuevo corte en patronaje más  vanguardista para la practica del ciclismo.

podreis verlo y compralo en 2014 en U51PRO av. de la libertad n1 cp 20004 San Sebastian o en

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