verification . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . september 2010 learn how and when to remove this template message surly bikes type private industry bicycles founded minnesota 1998 headquarters bloomington minnesota usa website www.surlybikes.com surly head badge 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 . 1 the company is well known in bicycle messenger and single speed culture who and helped establish the single speed world championship sswc . surly specializes in steel bicycle frames . frames are made in taiwan from 4130 chromoly steel . 2 distinctive components made by surly include the dingle cog cranksets with separately detachable spiders a reversible chain tensioner and the large marge one of the first production fatbike rims . surly also sells lifestyle items such as wool jerseys and flasks bearing the surly logo . citation needed contents 1 frame models 1.1 discontinued models 2 components 3 references 4 external links frame models edit in 2005 surly began selling the pugsley the first mass produced fatbike a mountain bike with extremely large volume tires up to 4 inches wide for deep snow and sand riding . 3 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 . 4 bicycling magazine wrote it s not ideal for everyday use but it can handle a wide variety of demands and conditions well . 5 a big dummy with handlebars and foot rests for a second rider 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 . citation needed 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 . travellers check a cyclo cross bicycle with s and s bicycle torque couplings . 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 28mm offset rear triangle akin to pugsley ice cream truck fatbike accommodates wide 5 tires on 100mm rims symmetrical rear triangle 190mm spacing discontinued models edit the following surly cycles have been discontinued conundrum a mountain unicycle 6 instigator a hardtail mountain bike reintroduced in 2014 components edit dingle cog a two speed track cog for fixed gear bicycles . it was released in early 2007 . it is a multi speed fixed gear cog that is compatible with standard track hubs and lockrings . three gear combinations are available 17t and 19t 17t and 20t as well as 17t and 21t . when used with two appropriately sized chainrings the rear axle s position in the dropouts can remain almost the same and still allow a relatively large difference in gear ratio between the two combinations . bicycle fixation s harold ikerd wrote the ability to change gear ratios while on the trail road or lost is heavenly 7 references edit qbp brands page . retrieved 2013 02 23 . the description pages of their frames state that this frame is like all our frames made of 4130 cromoly steel ... 1 regenold stephen july 2006 . adventure bikes gear review july 2006 . retrieved 2008 05 15 . brown sheldon . the amazing surly pugsley . archived from the original on 2006 04 28 . retrieved 2008 05 15 . cassidy chris . surly pugsly . bicycling magazine . retrieved 2010 10 16 . surly 2008 pdf . retrieved 2008 05 15 . ikerd harold . surly s dingle cog . bicycle fixation . retrieved 2010 10 16 . external links edit surlyville surly bikes home page v t e american bicycle manufacturers current american star bike friday bilenky cycle works bohemian brooklyn bicycle co. bontrager calfee design cannondale catrike centurion chumba racing co motion columbia cortina cruzbike cycle force group dahon diamondback dynacraft bsc electra ellsworth handcrafted fantasy toys lowrider bicycle & hobby felt fuji fyxation gendron inc. gt haro huffy ibis independent fabrication international surrey company iron horse italvega jamis k2 sports kent international kestrel litespeed magna marin masi melon milwaukee mongoose moots next nishiki novara pacific pope priority pure cycles quality quintana roo r e rans designs razorusa redline rhoades car ritchey design rivendell roadmaster richard sachs santa cruz santana schwinn seven shelby shinola soma fabrications specialized surly terracycle terrible one tommaso torker transition trek turner suspension univega valdora van dessel sports villy custom volagi waterford precision wilderness trail worksman yamaguchi yeti zigo defunct american american machine and foundry chicago clark kent e. c. stearns eagle fat city fleetwing gary fisher gormully & jeffery jmc klein kogswell lemond lotus merlin murray overman pocket rambler ross serotta sol stelber sterling wright components bell sports bicycle technologies international coker tire fox racing shox fyxation giro hayes brake burley design rockshox slidepad speedplay sram l.h. thomson zipp rolf prima retrieved from https en.wikipedia.org w index.php title surly bikes & oldid 741769233 categories cycle manufacturers of the united statescompanies established in 1998companies based in bloomington minnesotamountain bike manufacturershidden categories articles needing additional references from september 2010all articles needing additional referencesall articles with specifically marked weasel worded phrasesarticles with specifically marked weasel worded phrases from september 2010all articles with unsourced statementsarticles with unsourced statements from september 2010 navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent 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