Polygon Syncline Series : USA

BUYING GUIDES

Not sure which bike to buy? Let us help you decide.

We can help you find the perfect bike size for you.

Mountain bike technology has improved exponentially in recent years.

Road bikes are one of the simplest forms of bikes on the market.

Commuting to and from work can have multiple benefits for the environment, mental health and physical health.

E-Bikes take what is amazing about cycling around town, through the mountains and daily commuting and enhance it.

Buying your child a bike can be an exciting time for both you and them, as this is their first chance to experience the enjoyment of cycling.

If you're the type that likes to save a buck, our ex-demo bikes may sound interesting.

As simple as a bike can be, a lot of the terminology and names can be quite confusing.

The material of which a frame is constructed will have a huge impact on how it rides.

¿Qué métodos de pago acepta Bikes Online? Bikes Online ofrece varios métodos de pago, incluyendo Visa, Mastercard, American Express, Paypal, Apple Pay y Google Pay.

ORDERS & PAYMENT

Bikes Online offer a number of payment methods including Visa, Mastercard, American Express, Paypal, Apple Pay, and Google Pay.

Bikes Online is a Proven Commercial Partner and Wholesaler We pride ourselves on our ability to import products efficiently.

NO PURCHASE IS NECESSARY TO ENTER OR WIN.

How does Bikesonline.

SHIPPING & TRACKING

Parts & Accessories Small Parcels Bikes & Bulky Items Standard Shipping Orders over $49 get FREE Standard shipping, Standard = $7.

Shipping of Bikes We now ship bikes to all 50 states, Alaska and Hawaii may incur additional shipping charges.

Once your order has been dispatched from us, you will receive an email with a tracking number from FedEx or USPS.

Unfortunately we do not ship bikes or anything from our website outside of the lower 48.

When you log in to your account, on the Bikes Online website, you'll notice that orders go through the process below: On Hold - The payment is still being processed, the address may have been entered incorrectly, you used a direct payment from your bank, your credit card may have been declined/review OR if paying with your bank account it takes a few business days to clear.

We require a signature for our deliveries so we prefer commercial addresses where there is someone present all day to receive your order.

RETURNS & EXCHANGES

Free 30-Day Bike Returns We're incredibly confident that you'll love our wide range of bikes; however, if for any reason you don't, we've got you covered with our free 30-day return policy.

Outside of the 30 day return offer, bicycles will only be accepted back within 45 days of purchase and only if they are new and unused.

As long as the item has not been worn or used we're happy to receive it back for a refund or exchange.

Incorrect Item: It is very rare for the wrong item to be shipped out to you but sometimes can happen due to human error.

If you are going on a cycling holiday or perhaps returning a bike to us as a part of our 30 day bike return – repacking your bike is an important but easy thing to do to ensure that your bike arrives at its destination in perfect condition.

Small part – Once a small part has been returned to Bikes Online, we normally process the exchange or refund within the day Once we put through the refund to our accountant, it can take up to 10 business days for you to see the money.

CONSUMER GUARANTEE

A lot of what defines the consumer guarantee of your specific purchase from Bikes Online depends upon the product’s intended use.

Please contact Bikes Online After Sales Service via our online portal for all consumer guarantee and product support requests.

Please contact Bikes Online After Sales Service via our online Portal for all consumer guarantee and product support requests.

At BikesOnline we are committed to providing you with the best possible prices.

As bike riders we can all agree - accidents happen - and as much as we would love to avoid it, sometimes they are inevitable.

The frequency you should get your bike serviced will vary depending on the frequency you ride it.

Our Customer Service team can be reached via email, phone or via our Contact us page.

ASSEMBLY GUIDES

Congratulations on your new bike! For us, there’s nothing more exciting than building your bike.

Assembling your new bike is one of the most exciting tasks ever, we agree.

This article will guide you through how to install the front wheel on your new bike.

Assembling your new bike is one of the most exciting tasks ever, we agree.

Dropper posts are a game changer for mountain biking, allowing you to have your optimal pedalling position for climbing and with a simple press of the lever, you can push the saddle down to slay the descents.

This article will guide you through how to install the mudguard on your Fox 36 and 38 suspension forks.

Exciting times ahead! This article will guide you through what comes with your new bike and how to unpack it.

In case you need to re-pack your bike for travelling or shipping, follow this step-by-step guide to ensure it will reach its destination in great shape, by reducing the chances of damage in transit.

BIKE CARE

The frequency you should get your bike serviced will vary depending on the frequency you ride it.

BikesOnline sells and ships complete bicycles to all states in the US.

Your suspension components need to be serviced on a regular basis to keep working properly and also for consumer guarantee reasons.

A clean bike is a fast bike.

Cleaning and maintaining your drivetrain might not be the most exciting task in the cycling world, but it sure is very important.

Unfortunately we can’t be out riding bikes at all times, we still need to sleep or eat at some point of the day.

Transporting your bike is usually a sign of good times ahead! For that we are more than happy to provide resources on how to transport your bike safely, so there are no hiccups during the journey and you can make the most out of your riding time.

ADJUSTMENTS & FIT

When browsing for your next bike you may sometimes consider the possibility of upgrading some parts in order to make the bike more suitable for your riding style.

After assembling your new bike, the first thing to do is the initial bike fit, in other words, customizing the bike measurements according to your body dimensions in order to achieve the most effective riding position.

Correctly setting up the suspension is crucial for proper handling of your bike.

One of the most simple things you can do to your bike to improve the quality of your ride is checking and adjusting your tire pressure periodically.

There are three main types of pedals, Flat Pedals, Mountain Bike Clipless and Road Clipless.

WORKSHOP SERIES

Ride your bike enough and you’ll understand the importance of performing a periodical safety check.

Assembling your new bike is one of the most exciting tasks ever, we agree.

Beside being a lot of fun, bikes are also a way of transport that require regular maintenance just like a motorbike or a car.

Welcome to the Workshop Series.

Having a flat while out riding is never a good feeling, but if you master the tube replacement practice you’ll be able to get back on the road, or trail, in no time.

A lot has been discussed around tubeless tires and how they can be beneficial for a number of reasons.

A clean bike is a fast bike.

Cleaning and maintaining your drivetrain might not be the most exciting task in the cycling world, but it sure is very important.

Hey there! We understand your worries, and it's great that you're keeping an eye out for potential issues.

OWNER'S MANUALS

To see the Polygon Bikes User Manuals, click here.

To see the Marin Bikes User Manuals, click here.

Please refer to the links below for more information on your Rockshox components: Rockshox Suspension Setup and Tuning Guide Rockshox/Sram Service Resources Rockshox/Sram User Manuals Rockshox Service Intervals .

Please refer to the links below for more information on your Fox components: Fox Factory Tune Fox Tuning Guides Fox User Manuals Fox Service Intervals .

Please refer to the links below for more information on your SR Suntour components: SR Suntour Owners Manuals SR Suntour SAG Tool SR Suntour General Suspension Fork Manual SR Suntour Rear Shock Owner's Manual .

Please click here for more information on your Shimano components: Shimano Manuals & Technical Documents .

Please click here for more information on your Sram components: Sram Service Archive .

In this article you'll find all technical information, including service instructions for your bike components.

HARDTAIL MTB

What size are the wheels? All cascade models (2, 3, 4) and frame size come with 27.

What size are the wheels? The Premier 4 and 5 come with 27.

What size are the wheels? The Syncline 2, 3 and 5 come with 27.

What size are the wheels? The Xtrada 5, 6 and 7 come with 27.

What size are the wheels? The Cleo 2 comes with 27.

What size are the wheels? The El Roy comes with 29" wheels.

What size are the wheels? The Pine Mountain series come with 29" wheels.

What size are the wheels? The San Quentin series comes with 27.

What size are the wheels? The Team series comes with 29" wheels.

What size are the wheels? The Bobcat Trail series come with 27.

What size are the wheels? The Bolinas Ridge series come with 27.

What size are the wheels? The Wildcat Trail series come with 27.

DUAL SUSPENSION MTB

What size are the wheels? The Siskiu D5 comes in 27.

What size are the wheels? The Siskiu D24 series comes in 24 inch wheels only.

What size are the wheels? The Siskiu T7 and T8 come in 27.

What size are the wheels? The Vander T series across all sizes are 27.

What size are the wheels? Across the entire Alpine Trail range you can expect a standard 29 inch wheel platform for all models.

What size are the wheels? Across the entire Rift Zone 27.

What size are the wheels? Across the entire Rift Zone 29 range you can expect a standard 29 inch wheel platform for all models.

What size are the wheels? The Rift Zone Jr comes in 2 different wheel sizes, 24 inch and 26 inch.

ROAD & GRAVEL

What riding style is this geometry intended for? Perfect for entry level road cyclists looking to take on their first Gran Fondo, conquer their first triathlon or get involved with their local riding group on casual endurance rides.

What riding style is this geometry intended for? This is a modern road bike with an accommodating endurance geometry for a more upright riding position.

What riding style is this geometry intended for? An upright commanding riding position to tackle rough gravel roads or city streets with a priority on stability and control How many gears does this bike come equipped with? A wide ranging drivetrain with variations across the range from 2x9spd to the latest 1x11spd Gravel Specific system from Shimano Are the wheels tubeless ready? The wheelset is not tubeless ready, to set up tubeless you'll need a different wheelset or rims.

What riding style is this geometry intended for? Long days on the saddle discovering new gravel trails just for the sake of exploring.

What riding style is this geometry intended for? All day touring off road or back country scenic roads How many gears does this bike come equipped with? 3x9spd wide ranging touring centric gear set Are the wheels tubeless ready? The wheelset is ready to go tubeless when you'd like, all you need is some tyres and tubeless kit from our website and you can do the conversion at home.

What riding style is this geometry intended for? An upright MTB based riding position for tackling both smooth and rough roads How many gears does this bike come equipped with? The Gaselt range offers bikes with 1x11spd drivetrains and also 2x8spd drivetrains at the entry level Are the wheels tubeless ready? The wheelset is ready to go tubeless when you'd like, all you need is some tyres and tubeless kit from our website and you can do the conversion at home.

What riding style is this geometry intended for? The Lombard has an upright position that's as at home commuting into the city as it is rolling round country lanes on the weekend How many gears does this bike come equipped with? 2x9spd drivetrain Are the wheels tubeless ready? Unfortunately these wheels are not tubeless ready because are built with durability in mind for riding off into the sunset where sealant top ups are not possible.

What riding style is this geometry intended for? The Nicasio has an upright position that's as at home commuting into the city as it is rolling round country lanes on the weekend How many gears does this bike come equipped with? There are several models that range in gear sets of 2x8spd to 2x10spd Are the wheels tubeless ready? Unfortunately these wheels are not tubeless ready because they are built with durability in mind where you might be hitting potholes or for riding off into the sunset where sealant top ups are not possible.

PATH & PAVEMENT

What size are the wheels? The Path Series features a 700c wheel size (29" diameter).

What size are the wheels? The Heist series comes with 700c (29 inch) wheels.

What size are the wheels? The Urbano comes with 20" wheels.

What size are the wheels? The Fairfax Series features a 700c wheel size (29" diameter).

What size are the wheels? The Muirwoods come with 700c wheel size (29" diameter).

What size are the wheels? The Presidio range comes with 700c wheels (29 inch).

What size are the wheels? The DSX series comes with 700c wheels (29 inch).

What size are the wheels? The San Rafael series comes with 700c wheels (29 inch).

What size are the wheels? The San Anselmo comes with 700c (29 inch) wheels.

What size are the wheels? The Kentfield series comes with 700c (29 inch) wheels.

What size are the wheels? The Larkspur comes with 27.

E-BIKES

What is the main difference between the N8E and the THOK TK-01R? The main difference between the N8E and the THOK TK-01R is the frame.

What is the main difference between the T7E and the N8E? The main difference between the T7E and the N8E is the drivetrain.

What is the main difference between the T6E and the T7E? The main difference between the T6E and the T7E is the suspension.

The bike comes with 29x2.

What size are the wheels? The Path E comes with 27.

What size are the wheels? The Gili Velo comes with 20" wheels.

What size are the wheels? The Alpine Trail E series comes in a "mullet" configuration (27.

What size are the wheels? The Sausalito comes with 650b (27.

What is the best use for the THOK TK-01R? The THOK TK-01R is a great choice for riders who are looking for a high-performance E-MTB.

KIDS BIKES

What size are the wheels? The Siskiu D24 series comes in 24 inch wheels only.

What age group is this bike intended for? This bike is intended for riders from 5-8yo.

What age group is this bike intended for? This bike is intended for riders from 7-12yo.

What age group is this bike intended for? This bike is intended for riders from 5-8yo.

What age group is this bike intended for? This bike is intended for riders from 7-12yo.

What size are the wheels? The Rift Zone Jr.

What age group is this bike intended for? This bike is intended for riders from 5-8yo.

What age group is this bike intended for? This bike is intended for riders from 7-12yo.

What age group is this bike intended for? This bike is intended for riders from 5-8yo.

What age group is this bike intended for? This bike is intended for riders from 7-12yo.

DIRT JUMPERS & BMX

What size are the wheels? This model is fitted with 26 inch wheels.

What size are the wheels? This model is fitted with 20 inch wheels.

What size are the wheels? This model is fitted with 26 inch wheels.

No updates at this time

CLOSE ARTICLE

Polygon Syncline Series

What size are the wheels?

The Syncline 2, 3 and 5 come with 27.5" wheels on a small, the option of 27.5" or 29" wheels on a medium and 29" wheels for large and extra large frame

How much travel do the forks have?

The Syncline 2, 3 and 5 have 120mm of front travel.

What riding style is this geometry intended for?

The Syncline 2, 3 and 5 offer modern geometry (slack head angle with a steep seat tube angle) perfect for XC racing, with efficient climbing and stable descending.

Are the wheels tubeless ready?

The Syncline series comes with tubeless ready rims, all you need to do is buy tubeless valves, tape and sealant and you're ready to set up your rims for tubeless.

Are the tyres tubeless ready?

The Syncline series comes with tubeless ready tyres, all you need to do is buy tubeless valves, tape and sealant and you're ready to set up your rims for tubeless.

Are tubeless valves and tape provided with the bike?

No, valves and tape are not provided.

What groupset is this bike equipped with?

The Syncline 2 comes with a 1x11 drivetrain. The Syncline 3 and 5 comes with a 1x12 drivetrain. All models come with Shimano components and KMC chain.

What brakes is this bike equipped with?

The Syncline 2 and 3 come with Shimano BL-M201 hydraulic disc brakes, The Syncline 5 comes with Shimano BR-MT401 hydraulic disc brakes. All models have 180mm front rotors and 160mm rear rotors.

Does this bike come in any other colours?

The Syncline 2 comes in grey / black. The Syncline 3 comes in red black and the Syncline 5 comes in green / grey.

Does this bike come with any other specs?

No, The Syncline series comes in the spec which we advertise. IMPORTANT: Sometimes factory will change the spec of the bike to something of similar or better quality, usually without any notice, this is to ensure customers are riding bikes instead of waiting for the correctly spec’d component to become available.

How wide are the handlebars?

The Syncline 2 and 3 come with Entity Expert 760mm wide alloy handlebars whilst the Syncline 5 comes with Entity Expert 740mm wide alloy handlebars.

What's the stem length?

The Syncline 2 and 3 come with an Entity Expert 45mm length alloy stem, whilst the Syncline 5 comes with an Entity Expert 60mm length alloy stem.

Does this bike come equipped with a dropper post and what's the travel?

No, the Syncline models come with a regular 27.2mm alloy seat post with quick release locking mechanism.

Can I install a dropper post on this bike?

No, the Syncline models are not compatible with internally routed dropper posts.

Does the frame have internal or external cable routing?

The Syncline series have internally routed gear and brake cables.

What's the bikes' frame material?

The Syncline series are made from ACX XC performance carbon fibre.

What's the bikes' wheels material and how wide are the rims?

The Syncline 2, 3 and 5 come with Double-Wall Alloy rims. The Syncline 2 comes with 22mm internal width rims. The Syncline 3 and 5 come with 30mm internal width rims.

Does this bike come with boost hub spacing?

The Syncline series come with boost hub spacing front and rear. It is 15 x 110 wide front and 12 x 148mm rear.

What is the weight of this bike?

The Syncline 2 in medium is 12.9Kg. The Syncline 3 in medium is 12.6Kg and Syncline 5 in medium 11.9Kg.

Can I take this bike on downhill trails?

No, The Syncline series are designed for cross country riding, trail riding and XC racing.

Can I take this bike to the bike park?

Yes, the Syncline series are designed for cross country riding, trail riding and XC racing but are not designed to be ridden on aggressive, enduro or downhill trails and jump lines.

What size rotors does this bike come equipped with?

The Syncline series come with 180mm front rotors and 160mm rear rotors.

What tyres does this bike come equipped with and what size?

The Syncline 2 comes with Schwalbe Nobby Nic Performance 27.5" / 29" x 2.25" and the Syncline 3 and 5 come with WTB Trail Boss 27.5" / 29" x 2.25".

Does this bike come with pedals?

Yes, the Syncline series comes with alloy flat pedals.

Does this bike come with a kickstand?

No, the Syncline series do not come with a kickstand.

Can I fit a bottle cage in this frame?

The Syncline series can fit 2 water bottles. 1 on the down tube and 1 on the seat tube.

How do I set the suspension for my height and weight?

We suggest you set up your suspension in accordance with the fork manufacturer tuning guides for each individual, personal preference also needs to be considered as everyone likes their suspension slightly different from person to person.

Is a shock pump provided with this bike?

A shock pump is not included with any of our bikes. You do not need a shock pump for the Syncline 2. You need a shock pump for the Syncline 3 and 5 to set the fork suspension up.

What tyre pressure should I run?

Tyre pressures are subjective to each individual rider, we suggest you find a suitable tyre pressure best suited to the terrain you commonly ride. The recommended pressure range is printed on the side wall of the bicycle tyres.

What riding category is this bike intended for?

The Syncline series, in accordance with Polygon's classification, belong to bike class 4. You can read more about the various classifications here.

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Returns & Exchanges

Consumer Guarantee

Submit a Request

BUYING GUIDES

ORDERS & PAYMENT

SHIPPING & TRACKING

RETURNS & EXCHANGES

CONSUMER GUARANTEE

ASSEMBLY GUIDES

BIKE CARE

ADJUSTMENTS & FIT

WORKSHOP SERIES

OWNER'S MANUALS

ARCHIVE

HARDTAIL MTB

DUAL SUSPENSION MTB

ROAD & GRAVEL

PATH & PAVEMENT

E-BIKES

KIDS BIKES

DIRT JUMPERS & BMX

No updates at this time

Polygon Syncline Series