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Surly Bikes is a designer and importer of bicycles, frames, parts, and accessories based in Bloomington, Minnesota, established c. 1998. Surly is owned by and shares facilities with Quality Bicycle Products (QBP).〔(【引用サイトリンク】url=http://www.qbp.com/page/brands )〕 The company is well known in bicycle messenger and single-speed culture and helped establish the Single Speed World Championship (''SSWC''). Surly specializes in steel bicycle frames. Frames are made in Taiwan from 4130 chromoly steel.〔The description pages of their frames state that "(frame ) is, like all our frames, made of 4130 CroMoly steel...." ()〕 Distinctive components made by Surly include the Dingle cog, cranksets with separately detachable spiders, reversible chain tensioner, and the "Large Marge" an unusually wide bicycle rim. Surly also sells lifestyle items such as wool jerseys and flasks bearing the Surly logo. ==Frame Models== In 2005, Surly began selling the Pugsley, the first mass-produced fatbike, a mountain bike with extremely large volume tires—up to 5 inches wide—for deep snow and sand riding. The front and rear wheels share a common hub size and can be interchanged, allowing for redundancy and additional gearing combinations. Noted bicycle technical authority Sheldon Brown said, "Pugsley is, in its way, as revolutionary as the original mountain bikes were in the early 1980s." ''Bicycling Magazine'' wrote, "It's not ideal for everyday use, but it can handle a wide variety of demands and conditions well." In 2006 Surly introduced the Big Dummy, a longtail bike frame designed for the Xtracycle Free Radical extension that can carry 200 lbs of gear in addition to a 200 lb rider. Other Surly bikes include: *1x1: single-speed mountain bike *Steamroller: single-speed bicycle *Pacer: road racing bike *Cross-Check: cyclo-cross bicycle *Cross-Check SS: a single-speed version of the Cross-Check cyclo-cross bicycle *Straggler: cyclo-cross bicycle w/ disc brakes *Straggler 650b: Straggler with 650b option for wheels. This bike is more agile than their larger counterparts. *Long Haul Trucker: touring bicycle *Disc Trucker: touring bicycle w/ disc brakes, frame based on the Long Haul Trucker *Trucker Deluxe: a Long Haul Trucker with S and S Bicycle Torque Couplings, allowing it to be disassembled for travel (available as frameset, with 26-inch wheels only) *Troll: mountain/touring/commuter bike with 26-inch wheels * World Troller: This is a Troll frame fitted with Torque Coupling and S Bicycle Torque Couplings. World Troller can be disassembled and packed in a compact box for air-travel. *Karate Monkey: 29er mountain bike *Ogre: 29er mountain and touring bicycle. *Krampus: 29er mountain bike with 3inch tires on 50mm rims *Moonlander: "fatbike", accommodates wide 4.7" tires on 100mm rims 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Surly Bikes」の詳細全文を読む スポンサード リンク
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