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Turbo Trainer Guide

When the days get shorter and the weather closes in, you can drag yourself down to the busy local gym, bravely face nature wrapped in countless layers or simply drop the bike into the turbo trainer and take a spin in the comfort of your own home. Not just for winter though, a turbo can be a great training tool all year round, and you can use one of the many indoor cycling apps such as Zwift, Sufferfest or TrainerRoad for a more immersive experience.

An indoor training solution

Turbo trainers allow you to ride your bike in any location, while stationary, making them a popular choice for recovery rides, pre-race warm-ups and training alike. Most trainers feature some level of adjustable resistance, helping to simulate “true” cycling when conditions prevent you from venturing outdoors. As such, they provide a perfect solution for those who wish to train aboard their own bike without the hassle and danger associated with riding in poor conditions, the dark or simply within a tight time frame.

 

Wahoo KICKR Close Up

As with most areas of cycling, there are a vast number of options available when it comes to turbo trainers, with various features affecting both the price point and its suitability for your individual needs. Before purchasing a trainer you should consider where it will be stored and whether it will be regularly transported, this is due to differences in weight and packability between models.

 

Smart Turbo Training with Zwift

Smart Turbo Trainers

Smart trainers are one of the most popular choices out there, particularly if you’re looking for a more interactive experience. You get all the complex technical features of other top end options, but with the added ability to connect the trainer up to a computer or phone so you can get more out of each workout. They have the capability to connect with your smartphone via Bluetooth, FE-C or ANT, allowing you access to specific apps, namely Strava and Zwift, among others, that help create the most realistic indoor ride possible while displaying real-time performance data.

Wahoo KICKR SNAP Resistance Unit

Trainers can use magnetic resistance (allowing you to adjust the magnet power from a remote unit on your handlebar), fluid (where power changes based on your pedalling effort) or a direct drive unit (more on the latter below), with higher specification models automatically adjusting to simulate the climbs and descents of your virtual reality route. Value wise, smart trainers sit across the board, with the method of resistance, connectivity and number of features impacting the price. It's worth noting that a smart trainer often isn't the best choice for race warmups as they can be reasonably heavy and some models require plugging into the mains to function.

Direct Drive Trainers

Direct drive trainers replace your bike's rear wheel. While this can sometimes mean purchasing a second cassette, although the Wahoo KICKR is actually supplied with one, it does eradicate the hassle of swapping out specific trainer tyres and skewers. The setup tends to be more stable, allowing you to get out of the saddle and confidently lay down some power. By eliminating the tyre-trainer interface, the direct drive system is the quietest option available, particularly important for those living in apartments as that droning sound can really travel. Another benefit is that power accuracy is improved. These trainers generally sit within the mid to high price point and are generally larger than traditional designs, often suiting those with a space dedicated to their training.

 

Wahoo KICKR SNAP Wheel-on Smart Trainer

Wheel-on Trainers

As described above, direct drive trainers are quieter and eliminate the need for a specific turbo tyre. So why would you choose a wheel-on trainer? Firstly, they tend to be more wallet-friendly. Additionally, if you’re looking to use a range of bikes on the turbo, there’s no need to consider cassettes - you just pop the bike in and you’re ready to go. Choose carefully, and you’ll still be able to find some excellent trainers, with solid, stable flywheels, good gradient simulation and high wattage outputs. It’s best to purchase a turbo tyre to reduce noise and prevent wear to your expensive road tyre - some people choose to use a different wheel, which is quicker to switch out than changing a tyre every time.

Which smart turbo trainer is right for you?

Depending on your needs and budget there’s a huge range of Smart trainers to choose from. Wahoo have three that serve different purposes for different budgets and riders. 

Wahoo KICKR SNAP

Wahoo KICKR SNAP

The KICKR SNAP is Wahoo’s wheel-on option. It may be their entry-level model, but its features mean it’s so much more, and many match those of their direct drive trainers. Extremely convenient in design, and easy to set up, the SNAP has a heavy 4.7kg flywheel so you can still climb and sprint with confidence in the unit's stability. The power numbers are accurate to +/-3% and the SNAP will measure outputs up to 1500 watts - plenty for the majority of riders. When it comes to climbing, the SNAP simulates gradients up to 12%, so you can still train for the mountains, indoors. Add the KICKR CLIMB to your set up for an even more realistic experience. 

Wahoo KICKR SNAP Close-up

Wheel-on trainers are slightly louder than direct drive, but the SNAP comes in at a fairly impressive 60 decibels; in layman’s terms that’s about the volume of a normal conversation. No matter your bike, as long as it uses 24 to 29-inch wheels, it’ll be compatible with this trainer, although some will need a thru-axle adapter kit. 

 

Wahoo KICKR CORE

Wahoo KICKR CORE

The KICKR CORE is the baby brother of the KICKR, slightly simpler in design but still packed with technology and boasting power measurements of 1800 watts with +/-2% accuracy and gradient simulation of 16%. The flywheel weighs 5.4kg and noise outputs are approximately 50 decibels. 

For riders who don’t need the all-singing, all-dancing features of the KICKR, this highly capable unit is ideal. The only extra you’ll need to purchase is a compatible cassette. The trainer is set to 700c wheels as standard but if you use a front wheel block or KICKR CLIMB it will level out any variances.

 

Wahoo KICKR

For riders looking to make their indoor training as effective as possible Wahoo have developed the magnetic, direct drive smart KICKR Turbo Trainer. The latest iteration uses an updated drive belt to provide the smoothest, quietest riding experience possible. Creating realistic feeling accelerations and decelerations when sprinting or tackling gruelling climbs, this trainer truly brings your outdoor riding into the comfort of your home.

 

Wahoo KICKR Smart Turbo Trainer Wheel Size Adjustment

Capable of replicating a steep 20% gradient and withstanding up to 2200 watts of power (accurate to +/-2%), this trainer is ideal for any serious cyclist craving challenges far greater than their local loop can offer. Whether you have a road or mountain bike you can train indoors on the KICKR with no need for any extras thanks to 24 to 29-inch wheel compatibility. 

 

Handy additions

Depending on the variety of trainer used, there are various accessories available to enhance your experience. For non-direct drive trainers it's important to use a turbo tyre. Harder wearing, this will prolong the life of your expensive road tyre and greatly reduce noise levels.

If you are running a trainer tyre yet feel the noise is still too intrusive, a turbo trainer floor mat will be a good addition to your setup. The anti-slip, waterproof finish protects surfaces from sweat, energy drinks and grease, while the thick material further reduces noise and helps damp vibrations.

A turbo trainer specific skewer may also be necessary depending on the shape of your factory skewers, these are designed to fit tightly into the trainer, increasing stability and power transfer. For those who regularly alternate between their trainer and the road, a more affordable secondary wheel, fitted with a cassette, trainer tyre and skewer can save a lot of time and hassle. Additionally, a riser block can be used to raise the front wheel, levelling the bike in the trainer.
 

With the recent increase in popularity of disc brake bikes with bolt thru-axles comes another factor to consider, as these will be unlikely to fit into a trainer without a specific bolt thru-axle adapter. Mountain bikes, particularly 29” wheeled variants should also be fine to use in a trainer, but will require a slick tyre.

Specific to Wahoo, the latest three trainers are compatible with the Wahoo KICKR CLIMB, a device that physically adjusts the bike's position relative to gradients on the virtual route. The KICKR HEADWIND is a smart fan that can run and adjust automatically according to fluctuations in heart rate or speed, or manually, so you can take control of your environment.

A turbo trainer can revolutionise the way you train indoors, making it more realistic, more fun, and allow you to make the most of every session. 

If you want to take your workout to the next level, Zwift is a fantastic platform to use. Read our guide to making the most of Zwift.

Shop the Wahoo Turbo Trainer Range

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About the Author

  • About Cat: After running for a number of years, Cat took up cycling in 2013 and has never looked back. A member of the content team here at Sigma Sports, when not at work Cat enjoys training and racing at Herne Hill Velodrome as well as on the road.
  • Article Published On: 13 May 2019

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