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This 2011 model has undergone some obvious changes from the 2010 model and now has the updated frame / airbox / exhaust as used on the Top ‘Raga replica’ model.
The actual ‘geometry’ of the frame remains the same as the 2009 / 2010 model. When Gas Gas introduced the ‘tubular’ frame for 2009 they got the geometry spot on. The GG Pro has always been extremely light and agile since it arrived in 2002 but has been a little ‘twitchy’ on the front end with the old frame. To get the geometry right and the weight distribution correct is not an easy task on a Trials bike and when they went to the tubular frame in 2009 they got it perfect. I say perfect because it suits both the best riders in the world and more importantly the buying public. The bike just feels right and just ask anyone with a 2009 or 2010 model and they’ll tell you that the best thing about the bike is how easy they are to ride.
They ran the exact same frame in 2010 and it has now been updated for 2011 but importantly the actual geometry remains the same. The updated 2011 frame is slightly wider (6mm either side) to help with balance. The frame is a lot better quality with many ‘micro-fused’ (cast) parts. For example, the footrest brackets are now cast together with the bottom part of the frame to add strength in this high stress area of a Trials bike. The tube where the shock mounts is a lot stronger also. This frame tube is now visible with the new shaped airbox and looks very ‘open’ and modern.
With the new frame, comes a complete new exhaust system and airbox. Because the frame is different and slightly wider there is now room for a bigger volume airbox which has helped with power delivery especially on the 280/300 models. The new airbox is still in two halves which are screwed and bonded together. Air Filter access is a lot better with a wider cover, so changing the filter is now even easier. The new box ‘air-intake’ now breathes from underneath which will help with keeping mud and water out of the airbox. The whole airbox is a lot better made and better quality.
To go with the new airbox is a new rear mudguard which is now virtually unbreakable! It’s made from a special thinner material than normal which makes it very flexible. Its also slightly wider which helps in protecting the rider from mud and water.
The new exhaust system is a most welcome change. The S3 Titanium front pipe remains the same but the middle-box and silencer are completely new. The new system is a massive improvement quality wise to the older style exhaust with bigger brackets holding the exhaust to the frame. The exhaust system is a very important component on a modern day trials bike where all the manufactures try to get a lightweight aluminium system that both works and is reliable. This is difficult to achieve because everything is so tight and compact on a Trials bike. The added problem is the heat and expansion of the exhaust system together with the vibration. The factory has developed the new system and it really is the best yet. The middle box remains un-packable but the silencer has a plastic/nylon end cap that can be repacked separate to the silencer. This end part is also cheaply replaced if damaged in a crash.
Other changes to the 2011 model include the neat new rear brake master cylinder which is specially made for the 2011 Pro by AJP. The reservoir tank is now part of the master cylinder which makes for a lot neater unit.
The rear wheel is now the ‘Central rib’ type which requires no sealing band for the spokes. These new ‘leak free’ rims are made by ‘Morad’ and are copy of the popular D.I.D. rims.
The 2011 model also runs Michelin X-Light tyres as standard.
The stronger Red frame has the Gas Gas’ strong identity and they’ve mated this with stunning new white and black plastics with a new cool sticker ‘makeover’. They have also changed the colour of the crankcases and clutch case.
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New, lighter MORAD front wheel rim
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New MORAD rear wheel, D.I.D type same as the Raga
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X-light front and rear tyres
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New, more flexible rear fender with intergrated light
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Newly designed micro fusion chassis
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New air box with greater air flow and easier removal of air filter
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New AJP rear brake master cylinder
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New rear brake hose
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New bigger diameter kickstart shaft
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New crankcase colour
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Dellorto Carburettor on all models
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S3 Titanium front exhaust pipe
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S3 ‘Stars’ two piece cylinder head
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Sachs rear shock
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Marzocchi forks
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