Shop Talk

A collection of mechanical musings, advice, news, and other interesting things from Park Tool.

  • CYCLING... the book

    With the arrival of summer, it is primetime for good riding and fine reading. In this edition of Calvin's corner I will provide a book report of a tome which influenced me, and my way of thinking. It is sometimes long after reading a piece of literature, and then by rereading it, does it become clear what it means to you. Such a book is CYCLING, published by the C.O.N.I. (Comitato Olimpico Nazionale Italiano), Rome, Italy.

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  • Gore® Ride-On® Cable Installation

    This article will describe the installation of the Gore® Ride-On® cable system. This is a cable housing system that relies on a tubing system to seal the inner shifting or brake wire, thereby preventing dirt and water from entering. The system is composed of housing, a full length removable liner tube, a coated brake (or shift) wire, end caps (ferrules) for both frame housing stops and component housing stops, "grub" seals for ends of the wire system, cable end crimps, and crimp covers.

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  • Shimano® Coasting System

    This article will discuss the Shimano® "Coasting" system. The Coasting system uses a 3-speed internal hub. The shifting is done automatically the "Automatic Unit" (AI). The electricity to operate the Automatic Unit comes from the dynamo (generating) front hub.

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  • Thinking About Your Ride

    The optic of this article will be on the relationship of the human body with the bicycle. There is both an art and science to placing and positioning the human body on a bicycle for maximum performance. This article addresses you as a casual cyclist rather than as the elite level cyclist, who must concentrate on maximum performance. It asks you to think about how you sit on a bike. You will enjoy riding more by using common sense, paying attention to how you feel, and by using trial and error in your positioning.

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  • This I Believe

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  • Working in the Dark

    This article will discuss techniques useful to the workers of the bicycle world. Although I try hard not to, sometimes parts are dropped on the floor. Sometimes, very small parts are dropped. On the preventative side, have a place arranged to place your small parts. Use a tub, or better yet keep them in the Park Tool MB-1 magnetic bowl.

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  • A Visit With Andy Hampsten

    Andy Hampsten is a former professional racer. Winner of the Giro d'Italia, veteran of the Tour de France, team rider for the Motorola Cycling Team, 7-11, La Vie Claire, and Levi's, Andy has seen many a mile on and off the bike. Andy was kind enough to take the time to chat about about bikes and biking. Andy was a rider for the Levi's Professional Cycling Team back in the early 1980s. I was his mechanic back then, and learned a lot from his example and attitude. It is always a pleasure to hear from Mr. Hampsten.

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  • Winter Time Preparation

    Each type of competitive or sport riding has certain bike features that are "sports specific." Winter riding, meaning a lot of snow, deep back woods, alone, and cold, real cold, requires it's own special type of thinking and equipment. Park Tool's engineer, Pierre Ostor, is a winter rider (figure 1). He loves the winter so much, he is also the promoter of a winter race here in Minnesota, the Arrowhead 135.

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  • The Triple Crown of Racing

    This article will discuss the triple clamp fork. The triple clamp provides a very rigid and strong system to hold fork legs. It can found on downhill race bikes, freeride bikes, and some "enduro" bikes.

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  • Fishing for the Boss

    This article will discuss a potential repair of failed water bottle fittings. Water bottle fittings are intended to be permanent part of the bike frame. Consult the bike manufacturer before attempting any repair.

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