Someone at Giant had some foresight when they founded the company and began the bike range in 1972. They probably didn't know it would eventually achieve the bike equivalent of world domination, but the brand certainly lives up to its name now.
Giant is generally accepted to be the world's largest bike manufacturer. It has factories in their home region of Taiwan, as well as China and the Netherlands, and specialist stores all over the world.
In the early days, Giant was the manufacturer of the majority of bikes sold under the name 'Schwinn' - at one point making over two-thirds of the brand's models. When that relationship ended in 1987, Giant moved in the direction of making bikes with its own badge on the head tube.
The venture was successful, and in 2020 Giant is a worldwide company - you're never far away from a retailer carrying its bikes. As well creating road bikes, they produce high-quality, much-respected mountain, hybrid and e-bikes.
All of Giant's frames are designed in-house, and the brand makes its own carbon, as opposed to buying in pre-preg composite to mould. The brand also manufactures its own components and equipment, ranging from helmets and shoes to wheels and GPS computers.
One of Giant's most famous developments is that of the Compact Road Design, sported by its pro riders in the late 1990s.This simply means that the top tubes slope down from the head tube to the seat tube, reducing the size of the front and rear triangles to create smaller shapes which are lighter and stiffer.
In 2011, Giant demonstrated its dedication to women's specific products by separating its women's bikes and kit and placing these items under a dedicated brand: Liv. The Liv brand, they claimed, was the first dedicated and extensive offering in women's cycling and each model is built from infancy around a female rider.
As per any major bike brand, Giant produce a wide range of bike families designed around different styles of riding. Unlike other brands, each of these is then split into models: Advanced, Advanced Pro, Advanced Pro Disc, and SL. These models are each available at assorted different price points based upon components such as the groupset, wheels and handlebars.
More and more of the disc models now feature SRAM AXS groupsets, a move away from the almost entirely Shimano roster back in 2019.
Below is the lowdown on the most popular road and hybrid model families within Giant's absolutely massive stable.
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Giant bike range
Reasons to buy
Reasons to avoid
If you're starting out on your journey with two wheels, this is likely to be the one you're considering. Likewise, if you want a reliable commuter or a winter bike you can trust through the seasons, it's a good bet.
The geometry is designed to feel fast and fun, but with a high enough stack, short enough reach and long enough wheelbase that stability and comfort are well taken care of, too.
Models start with an aluminium frame, carbon fork and rim brakes for the Giant Contend 2. Whereas the top end Giant Contend AR 1 is equipped with Shimano hydraulic disc brakes and a tubeless wheelset.
The 'AR' (any road) models come with wide volume tyres and are disc brake only.Giant also produces 'SL' (super light) models which use a higher grade of aluminium, plus SL disc versions which come equipped with rotor stoppers that will work in all weathers.
Giant Defy road bike
The Giant Defy is the brand's endurance road bike.The aim of the game in its creation was to offer a comfortable ride that can be enjoyed all day long - even in the toughest of professional one-day classics - whilst still offering handling that feels fast and enough stiffness to provide quick acceleration.
A key technology used on the Defy bikes is 'D-Fuse' - this features at the seatpost and handlebars. Essentially the tubing is rounded at the front and flattened at the rear, to absorb shocks and vibrations for a smoother and more compliant ride feel.
All bikes in the range use disc brakes and wide volume tyres which add to comfort. The Giant Defy Advanced options feature an Advanced-Grade Composite frame, matching material at the fork along with an OverDrive steerer which promises front end stiffness and control.
Move into the realm of the Giant Defy Advanced Pro models and the steerer used is the OverDrive 2 which Giant say offers greater stiffness over the standard OverDrive. Another nifty addition is the 'RideSense' monitor. This wireless sensor can send wheel speed and cadence info to an ANT+ computer. The top end model, Defy Advance Pro 0 Red also comes equipped with SRAM Red e-Tap AXS groupset and Quarq DZero power meter crankset.
The Liv women's bikes have an entirely independent geometry, built from conception around a female rider. However, the Liv Avail is available in aluminium and carbon versions and mirrors similar qualities of the Defy.
Giant Propel road bike
As its speedy sounding name may suggest, the Propel is the brand's aero road bike. And isn't it beautiful.Giant Propel models received disc brakes for the first time in the 2018 range, six months after being first spotted at the 2017 Tour de France.
The Giant Propel Disc uses flat-mount technology, thru-axles front and rear and Giant says that during aerodynamic testing its disc-brake integration produced less drag than traditional caliper brakes.
The disc models now also boast a new integrated Contact SLR/SL Aero handlebar/stem unit, with internal cable routing. The tubeless ready Giant SLR WheelSystem also comes with aero spokes and a tall 65mm rim depth at the rear.
Giant produces both rim and disc brake versions of its Propel models The basic Giant Propel Advanced 2 comes with an Advanced Grade Composite frame and the OverDrive 2 steerer for increased front-end stiffness and enhanced steering performance. All these also enjoy the 'RideSense' data recording sensor which will communicate cadence info to an Ant+ computer.
Moving on to the Giant Propel Advanced Pro range, these bikes come with deep section wheels and more integrated cable routing, alongside the OverDrive 2 steerer and 'RiseSense' capability.
The Propel Advanced Disc comes with hydraulic stoppers, wider rim rear wheel and integrated bar and stem for the Propel Advanced 2 Disc. If you go for the Propel Advanced Pro Disc 1 this is boosted to Shimano Ultegra Di2 and an integrated power meter.
Whilst the Liv women's bikes are not women's versions of the men's bikes, the Liv Enviliv is the aero road bike within the brand's range and shares many of its technologies with the Propel.
Giant TCR road bike
The Giant TCR goes down in cycling history as an icon in its own right. It's an all-rounder race bike that's well renowned for offering significant stiffness and maintaining a notably low weight.
Recent updates have improved its aerodynamics by a margin of 7/8 watts, whilst still featuringthe same compact frame design. The frame now features flatback tube designs, particularly around the fork and headtube.
Stiffness has also being increased, particularly in the downtube and bottom bracket area. The updated models in the TCR Advanced range are kitted out with rim brakes, while the range topping TCR Advanced SL 0 Disc has superior SRAM hydraulic disc brakes.
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First, there's the Giant TCR Advanced. These models come with Advanced Grade Composite frames and the OverDrive steerer along with fairly basic wheelsets. Then there's the Giant TCR Advanced Disc models, which share similar characteristics, but instead have Shimano Tiagra Hydraulic disc brakes.
Those with a little more need for speed might look at the Giant TCR Advanced Pro bikes. These boast the stiffer OverDrive 2 steerer, as well as the updated Giant SLR 1 wheel system. This carbon rim wheelset comes shod with tubeless tyres in all cases, and they're genuinely impressive wheels, so none of this "great bike, needs new wheels" malarky that almost always adorns bike reviews. There's also three Giant TCR Advanced Pro Disc models which start with the TCR Advanced Pro 2 Disc.
For women, Liv's lightweight racing bikes that are suitable for both long hilly road races and fast-paced crits are the Langma range. The Liv Langma tips the scales at 6.7kg and has a redesigned front end which offers aero advantages, whilst still offering stiffness enough to be raced by the female riders of CCC-Liv.
Giant Trinity triathlon and time trial bikes
Giant's Trinity bike has been raced at the very top level and have been engineered using Giant's Computational Fluid Dynamics and dynamic wind-tunnel testing.
>>> Pro Bike: Tom Dumoulin’s Giant Trinity TT bike
The Trinity Advanced is the basic model and its tube shaping is designed to beat resistance and the brakes are hidden, whilst a standard stem means adjustability is kept high.
The Trinity Advanced Pro comes with lots of aero optimised storage space for hydration and nutrition, making it a great contender for Ironman triathletes.
Giant far from stops at road bikes. They've got plenty of mountain bikes in their collection, and for those who like to mix it up there are cyclocross and adventure road/gravel bikes.
All of the bikes in this range come with hydraulic disc brakes, and use a single-ring chainring system alongside an 11-speed cassette.This is favoured by CX racers thanks to the simplicity it offers and increased chance of it all working when the mud builds up.
The TCX bikes do have bottle cage mounts, but no provision for luggage.In the Liv range, the Liv Brava is designed to offer the same cyclocross race performance for women.
Giant gravel bikes
For those more interested in long, endurance rides across mixed terrain, there are several options.
Starting the collection, the aluminium Giant Revolt comes with 38mm tyres plus hydraulic disc brakes, which will provide reliable and comfy riding off the beaten track. Then there's the Giant Revolt Advanced, with a carbon frame, and the Revolt Advanced Pro with SRAM AXS shifting and deep Giant SLR-1 wheels for a more performance orientated ride.
The Liv women's model closest to these adventure style bikes is the Liv Invite.
New in 2020 was the Toughroad SLR,stacked with plenty of mounts for baggage, wide tyres and flat bars. Basically, an ideal steed for long distance trekking.
Giant Hybrid bikes
Hybrid bikes combine the quick and nimble frames of road bikes with the rough and ready wide tyres and flat bars of mountain bikes. They're comfortable commuters and also popular among fitness riders seeking an upright position and the ability to enjoy the rough roads of parks and canal paths without too much rattling.
The Giant Escape is a traditional hybrid. It's got a road style frame with 38mm tyres to dampen out bumps from below. A triple chainset and large ration cassettes mean that plenty of gears are on offer for the hills, plus V-brakes on the cheapest model.
There's also Escape Disc versions, which include options with Tektro mechanical discs or the more powerful and expensive Shimano hydraulic discs.
The FastRoad SL range have slighlty narrower 32mm tyres and disc brakes, meaning they are just as at home on sporting weekend rides as city streets. It's flat handlebars is the reason it remains in the hybrid category.
Reasons to buy
Reasons to avoid
The Giant Road E+ range is the brand's fleet of drop bar e-bikes. There are two models, the RoadE+ 1 Pro and the Road E+ Pro 2. The difference being the former's Shimano Ultegra groupset and the latter's 105. Both bikes are powered by Giant's updated SyncDrive Pro motor and feature geometry similar to the Giant Defy. Giant FastRoad E+ 1 Pro 202
There's also a flatbar model of the FastRoad called the E+ EX Pro.
Giant Hybrid e-bike models
Giant offers a couple of electric city bikes for practical, daily use, with options for low step through frames for easier mounting and dismounting.
The Dailytour E+ features a Giant's SyncDrive Life motor, a sleek integrated battery and, depending on the model, 7 or 8 speed gearing. All models come with disc brakes, a rear rack as well as automatic lights for riding at any time of day.
The Entour E+ models are also suited to casual city riding with it's flat bars and 40mm tyres which offer stability and not speed. These are cheaper than the Dailytour E+ models because they have an external battery that is fitted on the rear pannier rack.
The mountain e-bike range is extensive, with hard tails like the Fathom plus full suspension beasts such as the Stance, Reign and Trance.
Cycling Weekly's Digital Editor Michelle Arthurs-Brennan is a traditional journalist by trade, having begun her career working for a local newspaper before spending a few years at Evans Cycles, then combining the two with a career in cycling journalism.
When not typing or testing, Michelle is a road racer who also enjoys track riding and the occasional time trial, though dabbles in off-road riding too (either on a mountain bike, or a 'gravel bike'). She is passionate about supporting grassroots women's racing and founded the women's road race team 1904rt.
Favourite bikes include a custom carbon Werking road bike as well as the Specialized Tarmac SL6.
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