Compact road bike frames have become more common today, especially among urban, city and commuter style road bikes. Most compact frames come in small, medium, large or extra-large sizes. Aero bikes. If the bike has a sloping top tube (semi-compact or compact design) expect to have clearance of 2" or more. But that was the part of the game plan – to teach you how to maintain balance in fear of falling down. Why was it developed and what are the advantages over a traditionally horizontal top tube? Compact gearing used 50/34 chainrings with an 11/23 tooth cassette compare to conventional gearing 53/39 chainrings with 12/25 tooth cassette. Compared to the precise measurements needed to find the correct size for a traditional bicycle frame, compact frame sizing is much simpler. Gran fondo bikes are often kitted with a "compact" 50/34 tooth or a "mid-compact" 52/36 tooth chainset. The bike has fairly traditional endurance road geometry, which results in a snappy handling bike that is matched with a super-smooth ride quality that’s typical of skinny steel. Compact Frame Geometry. Traditionally road bikes came with a 53T large chain ring and a 39T small chain ring on the front crankset. Cannondale used to market their 650C-wheeled road bikes as compact frames. So if you want a relaxed, upright position you can go for a relatively large size in a bike with a long headtube length in relation to the top tube, e.g. Bottom brackets may be interchangeable, but they also come in such a variety of sizes that finding a matching road bike frame could be difficult. Cobb found that, when tested in a wind tunnel without a rider, compact frames performed 10 percent better than traditional frames. A compact frame is lighter than a traditional frame, due to the differences in their geometry, but a compact frame’s weight is offset by the necessity for a longer seat post and steerer tube. I've tried several bikes so far, and narrowed my choice to a couple of "relaxed-style" models [Specialized Roubaix and Trek Domane 4]. Here's a look at the key attributes of each material to help you make the right choice. This is useful for carrying it up steps or when walking over really rough or muddy ground. Compact Frame Traditional "road" frames have been built with level top tubes since the early 1900s. Traditional Geometry. The latest road bike from Specialized is just that: a road bike. Have a great cycling... Cyclistzone.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon. In addition, average speeds are typically lower when you venture off-pave… No matter you are a new cyclist or skillful one, you would find useful topics in my site. When tested with a rider, however, Cobb found no aerodynamic advantage to compact frames. The instructions below explain how […] Here are some important factors to choose the right frame. Both men’s and women’s bikes can have compact frames. The technical difference between a compact frame and a traditional frame, is the compact has a sloping toptube while the traditional has a level toptube. On the other hand, compact frames are contemporary, introduced in late 1900’s. They feature a sloping top tube with its higher end attached to the front tube. Cobb found that, when tested in a wind tunnel without a rider, compact frames … Bottom Bracket Drop No compromises with the kind of frame nor the size – that’s the basic of choosing a perfect road bike. A compact frame potentially allows you to have a headtube length which would be impossible on a traditional frame while still allowing adequate standover height. The Trek is a traditional geometry and the Compact frame vs. Ezroadbike.com is my personal blog where I share my pedaling experience. With these more general frame-sizing categories, manufacturers are able to accommodate a larger range of consumers while manufacturing fewer sizes. Traditional road bike frames have a top tube running parallel to the road surface. ... Mostly marketing guff to sell soft road bikes. This does tend to add a bit of weight compared to a race frame but the aero advantages can help save time on certain courses. On a compact frame, the height of the seat post is simply adjusted to customize the fit for a rider. Cranks and seats are likely to be interchangeable. Joined: Jul 2, 2005 Messages: 191 Likes Received: 0. However, with road bikes, there’s no way you can take any chances with frame size or design. Discussion in 'Cycling Equipment' started by kaikane, Nov 20, 2005. kaikane New Member. Most of the time, inseam length determines the right frame size. If you read our previous post on road bikes, you must have an idea how important road bike frame is for smooth riding as well as rider’s comfort. Compact Gearing 2. Forums > Bikes > Cycling Equipment > Compact Frame vs. Traditional geometry road frames are often associated with more comfort and greater stability, and tend to have a longer wheelbase which contributes to these two aspects. Hi, I'm Nick Soros. Road bikes: If the bike has a traditional straight top tube that is parallel to the ground, you should have approximately 1" of clearance between the ground and tires when you lift the bike as you’re straddling it.. It is backed up with companies lifetime frame and fork warranty that is a huge advantage with the bike. The frame size is determined by the length of the seat tube, in centimeters. If a person has longer arms or torso, he may need slightly larger frame. She holds a B.A. For a start, higher-volume tyres are not just wider; they also come with a larger outside diameter, which changes your effective gearing. In an interview with website Slowtwitch, aerodynamic expert John Cobb discusses his research comparing the aerodynamics of compact and traditional frames. Broadly speaking, the road bicycle geometry is categorized as either a traditional geometry with a horizontal top tube, or a compact geometry with a sloping top tube. In this ‘Choosing the correct size road bike – geometry explained’ guide we look to assist you in determining what size of bike is right for you. This question needs to be answered too. Road Bikes Equipped with lightweight frames, drop-handlebars and narrow tyres, road bikes offer a quick and comfortable road riding experience. That’s when you knew that the frame wasn’t suitable for you but you’re not as intelligent to realize that you’re not suited to ride that bike. No matter you are a new cyclist or skillful one, I believe that you could find useful topics in my site. Road bikes 405-415mm CX 420-435mm. Traditional-style bike frames are sized in centimeters based on the length of the top tube. This frame style comes in almost all sizes: Compact frame is more sort of a general size and it can be divided into different categories to accommodate a large number of riders. Smoother is indeed faster. There's never been a wider choice of road bike framesets than now. I'm looking to buy my first road bike, coming from a hybrid (mostly used on roads). A longer wheelbase provides a more stable and comfortable ride. To choose the right size, he recommends measuring your actual inseam length in centimeters, a measurement that may be slightly longer than the inseam size of the pants you wear. Compact frame style follows the design adopted by mountain bikes and BMX cycles. For what purpose will you be buying it? They feature a sloping top tube with its higher end attached to the front tube. Road bicycles, which are intended for use on paved surfaces, come in either traditional or compact frame styles. The style was introduced in early 1900s and has been popular ever since. Wheelbase. Hi, I'm Nick Soros. There's a huge range of road bikes to choose from whether you're entering a pro-level race or just want a speedier commute on two wheels. Ezroadbike is my personal blog where I share my pedaling experience. The style was introduced in early 1900s and has been popular ever since. The bars that come specced on a new bike are an estimate based upon the average shoulder width of the average person riding a bike in your size.As most cyclists will protest – none of us are truly average, so tailoring the bars to suit you is a good idea. Cycling has many benefits, such as improving mood, burning calories and preventing chronic illnesses. So, you can always have a compact-style road bike if you are not able to locate the traditional style bike in the market. Following parts of your body determine the perfect fit: The best way to choose the right frame size is to find out your inseam length in cms which is longer than the size of inseam your pants have. compact vs traditional frames. This content is provided 'as is' and is subject to change or removal at any time. Discussion in 'Bike buying advice' started by the5h4rk, Oct 3, 2006. the5h4rk New Member. It must be according to your physical proportions. The frame is the heart of your new road bike and it's where the majority of the budget goes, and the material can play a big part in that, so it pays to choose wisely.- road.cc Bike of the Year 2017-18. in creative writing from the New School, as well as a diploma in audio engineering from the Institute for Audio Research. With this being said, both bikes are equal in terms of performance with one being more specific to your needs and the other one being generalized. Buying a new bicycle can be a daunting task, however, due to the vast range of frame styles and sizes. A compact frame means a shorter seat tube and head tube and a steerer tube which is relatively long compared to the head tube. What makes the compact frame, "compact." Traditional Geometry Road bike frames can't use many mountain bike brake assemblies, which often rely on cantilever attachments welded to the frame for operation. This is particularly relevant for women who have bought a unisex bike over a female specific bike – most women have narrower shoulders compared to men of the same height so w… The difference is the amount of adjustability. The right size for you is based on your physical proportions; with arm, leg, and torso length determining the correct fit. Lots of people fit the traditional race geo, and can ride it all day long. My issue is choosing the frame size - I seem to be in-between two sizes. By suspending you above the frame, Future Shock delivers a smooth, confident ride while maintaining the stiff, nimble performance our road frames are famous for. 1. When carried by its top tube in this way, a bike with traditional geometry will be balanced whereas one with compact geometry will seem front heavy because the nose will point downwards. Whether you're looking for the fastest racer, sleekest aero bike, long-distance mile muncher or most spritely climber, these are our top picks of the best road bikes Take the road out of a traditional road bike and you’re left with a number of compromises and considerations in traditional gearing. The head tube angle is the same, the seat tube angle is the same, so raising or lowering stem and or seat post will be no different regardless if it is a traditional or compact. Traditional frames have a top tube that runs parallel to the ground, a style of construction that has remained popular since the early 1900s. For example, the jump from a 25c to a 40c tyre effectively adds two teeth to your big chainring. This is why manufacturers often introduce road bikes with compact frames. Road Bike Frames. "Compact" road frames have sloping top tubes, and are intended to be used with a long seatpost. Tommaso Forcella is a compact lightweight aluminum frame road bike that is combined with an HCT carbon fork for more vibration dampening and weight savior. Size; Wheelbase; Material; Painting a bike frame The main difference for consumers between the two styles is the way manufacturers size the frames. Depending upon the length of the top tube, traditional-style road bike frames are often sized in centimeters. Compact Gearing Compact gearing were adopted to offer cyclists a lower gear selection to make it easier to climb hills without affect the top speed. Refine By Clear All. Wheelbase Comparison of 57cm Bikes: Touring bikes 1050-1070mm Road bikes 996mm CX 1018mm. So, the real difference between the road bike compact frame vs traditional is based on the size of the frames which depends upon the manufacturers. Is it for road trips, triathlons or for workouts and rides on the pavements? This contemporary form was influenced by the construction of BMX and mountain bikes. There has been a steady movement for most bikes towards a 'mid-compact' crankset which has a 52T large chain ring paired with a 36T small chain ring or a 'compact' set up with a 50T large chain ring and a 34T small chain ring. For many people, the inseam length will be the correct frame size, although a person with a longer torso or arms might need a slightly larger frame. Your legs weren’t touching the road and you kept on looking for something to hold on to? Touring bikes have a long wheelbase due to a combination of a slack head angle, long fork rake and long chainstay length. I am looking at intro Road Bikes and found a bike that is an 04 Closeout and it cost less than the 05. Compact sizing is a lot simpler than traditional sizing as you don’t need to have the accurate measurements. I have been an cycling enthusiast from 2006. Compact frame style follows the design adopted by mountain bikes and BMX cycles. On the other hand, compact frames are contemporary, introduced in late 1900’s. Tom Ritchey has been making bikes for nearly 50-years, and the latest edition of the Road Logic takes much of the classic steel roadies we all know and love and brings a bit of modern flair. This is opposed to the old standard 53/39 which is too big a gear for most recreational cyclists to pedal whilst keeping a manageable and healthy cadence. So on a compact you have more seatpost showing and standover clearence than a traditional frame. » Road Bike Compact Frame vs Traditional Frame: Which One’s Right for You? I have been an cycling enthusiast from 2006. A compact frame is lighter than a traditional frame, due to the differences in their geometry, but a compact frame’s weight is offset by the necessity for a longer seat post and steerer tube. Before Future Shock, road bike suspension was a novelty—now it’s a 2x Paris-Roubaix winner. Traditional frame vs compact frame. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. the Specialized Roubaix. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. In an interview with website Slowtwitch, aerodynamic expert John Cobb discusses his research comparing the aerodynamics of compact and traditional frames.