Mudguard Installation : 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.

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

Bikes We ship bikes to the lower 48 (this excludes Alaska and Hawaii).

Shipping of Bikes We ship bikes to the lower 48 (this excludes Alaska and Hawaii).

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

We’re so confident that you’ll love our extensive range of bikes, that we’ll let you return the bike for free in the first 14 days if you don’t! That's right, we’ll offer you a full refund for the bike, and also pick it up from you free of charge! Just make sure you keep the original box and packaging so you can send it back, and make sure you follow the conditions below.

Outside of the 14 day return offer, bicycles will only be accepted back within 30 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 14 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

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

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.

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 live chat.

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 basket on your Polygon Sierra Oosten.

This article will guide you through how to install the mudguards on your Polygon Sierra Oosten.

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.

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

Mudguard Installation

This article will guide you through how to install the mudguards on your Polygon Sierra Oosten.

MUDGUARD INSTALLATION

To install your mudguards you will need the 5 to 4 bottom 4mm hex key from the provided multitool in your small parts box, the supplied bolts for mounting the mudguard, which is already mounted in their correct location on the bike, and the mudguard.

Start by removing the two bolts at the bottom of the fork, behind dropouts using the 4mm hex key. Then place the mudguard legs from the back of the fork on the outside of the fork legs.

Now reinstall the bolts with the washer on the outside of the mudguard legs, ensuring the bolts go into the same holes behind the dropout. Next, remove the bolt at the top of the fork arch, there should be one bolt, one nut, and two washers. Then line up the mudguard attachment plate with the hole at the back of the fork.

Now reinstall the bolt with the head at the front of the fork with one washer and then install the second washer on the outside of the attachment plate at the back of the fork and then the nut.

Then tighten the bolt with the 4mm hex key and hold the nut. This doesn’t need to be overly tight.

Congratulations, your mudguards are now installed. Feel free to contact us in case you have any questions or concerns and happy riding!

Disclaimer of Liability:

Bikes Online endeavours to ensure the quality of information contained in this Help Center is accurate however does not guarantee. Inadequate professional knowledge can lead to serious accidents to self and product, Bikes Online are not liable for any damage or injury resulting from these attempts. This applies particularly to damage resulting from incorrect repairs, adjustments or services. If in any doubt you should send your bike to a professional store, mechanic or qualified specialist. Bikes Online gives no guarantee or accepts liability for any of the information contained in this Help Center.

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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

Mudguard Installation