The best clipless pedals provide a firm, secure connection between bike and rider that's easier to release than the previous system of straps and slotted cleats. But which of the many systems is best for you?
Your first choice in clipless pedals is between singe-sided and double-sided designs. Double-sided are easier to get into and usually allow for shoes you can walk in; single-sided are usually lighter and simpler
Most pedals provide some way in which your foot can move slightly on the pedal. This rotational movement, called 'float', helps prevent knee problems.
To save weight pedal makers use exotic materials like carbon fibre, titanium and ceramic bearings on their high-end pedals; heavier riders are best steering clear and such pedals often have a rider weight limit
Clipless pedals start from about £25 and go up to around £600 (though the spendiest pedals ever, Speedplay's Zero Nanograms, are currently unavailable)
Clipless pedals for racing — most single-sided pedals and Speedplay Zeros — are designed with clearance at the edges so you can pedal round corners
Because they hold your feet in the right place on the pedals and keep them there, clipless pedals are more efficient than regular shoes and flat pedals. They're also much easier to get out of than the clip and strap pedals enthusiast riders and racers used before the 1980s
Shoes for clipless pedals have stiff soles, which also improves efficiency and comfort.
There are two types of clipless pedal. Pedals for road racing follow the original concept introduced by Look in 1984. The cleat stands proud of the sole and is attached by three bolts. This allows an uncomplicated, very rigid sole, but is awkward to walk in.
In 1990, Shimano introduced its SPD (Shimano Pedalling Dynamics) design. A smaller metal cleat is mounted to the shoe with two bolts, and fits in a recess in the sole. The recessed cleat makes it easier to walk in SPD shoes, and helps guide the cleat into the mechanism, making it easier to clip in. Originally intended for mountain biking, it's become very popular with commuting and recreational riders too.
Look's three-bolt standard dominates road pedals and shoes
Many companies now make pedals whose cleats fit three-bolt and two-bolt shoes.
Three-bolt clipless pedals are single-sided, with one exception that we'll get to shortly. To get into them you have to catch the front tip of the pedal with the cleat. This is a bit fiddly at first, but becomes second nature after a bit of practice.
Two-bolt pedals are usually double-sided. This makes entry very easy; after a very small amount of practice you learn to just stomp on the pedal and away you go.
Soles for two-bolt cleats have a recess to allow walking
That difference is a factor in which system's best for you. If you're clipping and unclipping a lot — while commuting, for example — then the easier clip-in action of two-bolt systems means you won't find yourself fumbling with the pedals as you set off from the lights.
If sheer performance is more of a priority, then a three-bolt system is the way to go. The larger cleat spreads the pedalling load over more of the sole, which is more comfortable and efficient, and three-bolt shoes are lighter because there's no extra rubber around the cleat to make them walkable.
For example, a pair of size 40 Shimano XC61 two-bolt shoes weighs a claimed 632g. Shimano's R170 road shoes have the same £150 RRP, but weigh 500g per pair in size 40.
Speedplay pedals work best with shoes that have their special four-hole fitting
One company, Speedplay, has bucked the consensus. Its pedals are double-sided, the mechanism is part of the cleat and that cleat has a four-bolt mounting. A three-bolt adapter is included with them, as few shoemakers have a suitable shoe in their line. More about Speedplay below.
The earliest clipless pedals held your feet in a fixed position on the pedals. This soon turned out to be a problem for some riders whose knees got sore, leading to serious problems in some cases. The answer was to slightly modify the design so that the foot could move a little. This rotational float is a feature of the best clipless pedals and you'll find it to a greater or lesser degree in all of the below options. In some it can be adjusted either by choice of cleat or by adjuster screws.
The distance between pedal axle and shoe sole is known as the stack height. A lower stack helps make your foot more stable on the pedal, and by lowering your position on the bike will make it slightly more stable in corners.
Old school pedals with clips and straps (CC-BY 2.0 by ktk17028:Flickr)
In case you're wondering why they're called clipless pedals, it's because pedals used to have metal cages, called toe clips, and leather straps to hold the shoe in place. Racing shoes had cleats that were slotted to fit the cage of the pedal. To get out, you had to loosen the strap. Falling over at traffic lights behind a busload of schoolkids was not unknown.
Clipless pedals get their contradictory name, then, because they don't have the metal clips of yore. Some favour the term "clip-in pedals" which has the advantage of making more sense, but a couple of quick Google searches shows "clipless pedals" is over four times more common. It looks like we're stuck with it.
We've mentioned a stand-out model or two of every major pedal design here, but you really can't go wrong with any of the current systems. The one you choose will reflect your own personal requirements.
For about 30 quid, these double-sided mountain bike pedals are a brilliant entry into clipless pedals. The low price is not reflected in the build quality, which is excellent, or the performance, which is also excellent.
Entry and exit is positive and easy, tension adjustment is simple and you can use them for everything from commuting to cyclo-cross.
The small cleat means that there's a small contact patch but that's a minor disadvantage unless speed and performance is paramount.
You use to be able to pick these up for around £20, but many Shimano products have increased in price over the last 12 months, and the era of cheap SPDs seems to have ended as a result. If you're strapped for cash check out these £24 SPD-compatible Boardman pedals that are functionally very similar and actually a bit lighter.
Shimano's PD-T400 Click'R pedals have a mechanism that's incredibly light, so it's very easy to release your shoes from the pedals. They're a useful option for cyclists keen to try clipless pedals for the first time.
You're held firmly in place against an upwards exit, but only very slight pressure down and sideways is necessary to get you out, and the pivoting pedal body inside the plastic surround makes it very easy to get in too. They come with Shimano Multi-release cleats, which make things even easier.
The relatively low price of Xpresso 2s makes them a sensible place to start if you're a newcomer to road-specific click-in pedals. They're light, easy to use and very easy to adjust to different foot position and release preferences, though they're not the most durable.
Time Xpresso pedals are popular because they're easy to click into, offer just the right amount of float adjustment for many riders and they're light. At about 220g per pair the entry level Xpresso 2s only weigh 25g more than the carbon Xpresso 8s at £124.99.
The M324 is a solidly built and dependable commuting pedal for riders who want to switch easily between cleats and flats. If you're a big mile commuter or tourer they won't disappoint.
The guts of the pedal is a well-finished Aluminium body that houses serviceable cup and cone bearings. A metal cage is bolted on for riding in flats, and on the other side you get an adjustable tension SPD binding for when you've got your cleats on. The pedals are very well finished and run smoothly from the off, and the fact that they're easy to strip down is a bonus.
The SPD mechanism is the same as you'll find on many of Shimano's other pedals, with a good range of tension adjustment and enough float for most knees. The cage is nice and grippy and performs well in the wet as well as the dry.
The Look Keo Classic 3s are good mid-level pedals that offer a decent base for power transfer, have an easy-to-use adjustable mechanism, and are well made and robust.
You can buy cheaper pedals, but the £40 RRP is a really good price, especially bearing in mind that they are genuine Look units. Overall the Classic 3s are really good pedals. They look good on the bike, perform well and have a good contact area for better power transfer.
Shimano's cheapest carbon-bodied pedals have an old-school steel spring for the retention plate, but are nevertheless reasonably light. The SPD-SL design provides tension adjustment so you can make it harder or easier to release, and like the Look Keo it has a large, broad contact patch with the cleat for stability.
Look invented the first successful clipless pedal, and has spent 30 years refining it. These pedals use a carbon fibre spring rather than a steel one to save weight. That means you can't adjust the release tension, so for riders who want an easier exit, Look also makes another version with an 8Nm spring. If you get the wrong version you can change the spring.
The Keo Blades are a decent weight for their price, and have a wide platform that gives a stable interface between cleat and pedal.
These venerable single-sided SPD pedals were billed as touring pedals when Shimano introduced them around a decade ago, but they're worth a look if your riding involves a mix of Tarmac and dirt roads. The platform around the mechanism provides more support for your shoes than a typical compact double-sided SPD pedal so you can use shoes that are easier to walk in.
As these are an Ultegra level pedal you'd expect them to be well made and smooth and you wouldn't be wrong. Being single-sided, clipping in can occasionally be a little sketchy as you flip the pedal over and they do take quite a hammering from the cleats, which rather spoils their good looks, but of course all pedals get scuffed eventually.
Those who love Speedplays rave about the low weight, adjustability, and shallow stack. A recent redesign of the cleat added a rubber aero cover that makes them far easier to walk in than the previous version, or many other systems.However, it's undeniable they need more looking after than most pedals and they're susceptible to clogging from even the smallest amount of dirt.
But if you have knees that are in any way fragile, or you want pedals that are incredibly easy to enter and release but fit stiff-soled road racing shoes, their free float and double-sided designs make Speedplays well worth considering.
The Time Xpresso 15 pedals are extremely light and clipping in/twisting out could hardly be easier. The downside is the price, and the cleats wear noticeably faster than those of other brands.
At just 140g for the pair, they're phenomenally light thanks to carbon bodies, titanium axles, aluminium top plates and ceramic bearings. Clipping in is very easy thanks to a spring mechanism that stays open after you click out.
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Acknowledged by the Telegraph as a leading cycling journalist, John Stevenson has been writing about bikes and cycling for over 30 years since discovering that people were mug enough to pay him for it rather than expecting him to do an honest day's work.
He was heavily involved in the mountain bike boom of the late 1980s as a racer, team manager and race promoter, and that led to writing for Mountain Biking UK magazine shortly after its inception. He got the gig by phoning up the editor and telling him the magazine was rubbish and he could do better. Rather than telling him to get lost, MBUK editor Tym Manley called John’s bluff and the rest is history.
Since then he has worked on MTB Pro magazine and was editor of Maximum Mountain Bike and Australian Mountain Bike magazines, before switching to the web in 2000 to work for CyclingNews.com. Along with road.cc editor Tony Farelly, John was on the launch team for BikeRadar.com and subsequently became editor in chief of Future Publishing’s group of cycling magazines and websites, including Cycling Plus, MBUK, What Mountain Bike and Procycling.
John has also written for Cyclist magazine, edited the BikeMagic website and was founding editor of TotalWomensCycling.com before handing over to someone far more representative of the site's main audience.
He joined road.cc in 2013 and these days he lives in Cambridge where the lack of hills is more than made up for by the headwinds.