Why should you choose an Endurance or Sportive bike?
Endurance or sportive-specific bikes might not look especially different from a regular racer, but there are subtle differences in their geometry which benefit the non-racing cyclist. The typical endurance bike frame has a more relaxed geometry, making it more comfortable when spending long periods of time in the saddle. The relaxed geometry makes a longer wheelbase for stability and comfort, while bringing the handlebars closer and higher so the rider is in a less extended or aggressive position. The difference in the geometry of these bikes compared to a bike designed for racing are quite subtle, but if you really want to get into the detail here goes...
Frame geometry: the heart of a bike
Geometry is at the heart of the frame design of every bike but how many riders actually have a full understanding of what it relates to? Geometry is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space……and angles lots of angles!
(This is a frame in all its glory)
Let us break down the detail for you…
Head tube angle
At the front end of the frame is the head tube and fork. Head Tube Angle - The head tube angle on an endurance bike is 'slacker' allowing for easy handling and producing a longer wheelbase (more of that later). A racier bike with a steeper head angle has faster steering and, if very steep, might be referred to as twitchy. Fork Rake (or Offset) - Increasing the fork rake makes steering faster.
Chainstay length
A longer chainstay length will increase the wheelbase (making the bike more stable at speed) simple… Which leads me onto. 
Wheelbase
A longer wheelbase provides a more stable and comfortable ride. Makes sense right? 
Bottom bracket drop
Bottom bracket drop determines how high your cranks sit from the ground when you pedal. A lower bottom bracket results in a lower saddle height and therefore a lower centre of gravity.
Seat tube angle
Seat tube angles don’t differ a lot between all styles bicycles of the same size. This is because optimal pedaling positions aren’t too different between bikes. The more upright models (taller head tube) will offer a slacker seat tube angle to match your less rotated pelvis.
Seat tube length
Seat tube length isn’t too important for most people with the exception of those who need additional stand over clearance (often smaller riders). Again, it’s best to compare bikes based on their stack and reach measurements if you can.
Head tube length
Long head tubes are common on more comfortable geometry bikes in order to prop the bars up high without the use of excessive headset spacing. Head tubes are often 40mm+ longer than the equivalent road or cyclocross bike for optimum comfort with regards to reach and hip angle.
Stack and reach: comparing bikes
Stack and reach measurements are the best information we have to know if a bike will fit us, without test riding it first. These measurements assess the virtual position of the headtube in relation to the bottom bracket, essentially standardising bike geometry/sizing between brands and models. This is important because bikes from two manufacturers that are both called the same size (eg. medium or 54cm) can actually fit up to 2cm (a full size) different from one another. You can get a professional bicycle fitter to determine your appropriate stack and reach, making it much easier to find a perfectly fitting bike. Alternatively, you can measure up a bike you’re comfortable riding with a tape measure to find out its stack/reach.
So what does this all mean?
Take our Ribble Sportive Racing as an example, the endurance geometry of the Sportive Racing gives riders a more relaxed and upright riding position that is ideally suited to those longer days in the saddle. Complimentary aspects of this smart frame design are performance focused and make this bike fast as well as comfort-orientated.
How?
Simple, take what we know about the geometry required to build a fast and aggressive race bike and blend it with what we know making a good sportive endurance geometry and blend them at the relevant points to give the best of both rides without compromise. Keep the wheelbase long enough to retain the comfort but retain the sharpness, don’t let the head angle out too far and raise the head tube ever so slightly over the typical lower race geometry… Oh and keep the chain-stay from being too long to again avoid making that wheel base too long so it’s nice and stiff out the saddle and responsive for the club coffee sprint!
Let’s summarise
So you can still have a bike that you can sit and ride on all day in comfort but also have a bike that can perform when you need it to…. Sportive geometry. 
Written by Ashley Brough - Triathlete, CrossFit King, Ribble Mailbox Store Manager and Super Dad to Lola!
Gravel Bikes - Which frame material is right for you?
More cyclists than ever are seizing the opportunity to take their rides off-piste in search of freedom and adventure. But to do so, you need the right tool for the job - a gravel bike. The Ribble gravel range consists of four frame materials. Each of these offers something a little different in terms of ride quality, longevity and performance characteristics. So how do you decide which frame material is right for you?
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When To Service Your Bike? A Practical Guide for Every Rider
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Staying Motivated: Winter Wisdom From The Ribble Family
When winter kills your motivation, even the pros feel it. The difference is they’ve built strategies that keep them riding when willpower runs out. Here’s how they stay consistent, break through the slump, and keep the pedals turning through the toughest months.
10 weeks down and far from decided: here’s why to join now
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Podiums, Progress and Proper Riding
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