Bottom Bracket Bearing Kits

From road bikes to off-roading bikes, we have it all, you can shop the range at our online shop, we ensure a top-bottom bracket standard.

We are known for being a leading supplier of bottom bracket bearings components and we can offer you a large selection of bearings in a range of types and sizes. All of the bottom bracket bearings we stock are top quality, they will also make sure that your bike performs well.

At Aire Velo Bearings our team has over 30 years of experience when it comes to providing bearings we have got you covered. For more information on the bottom bracket products that we stock, please get in touch with our professionals today.

The Aire Velo Bearings team are known for being one of the UK’s biggest suppliers of bottom bracket bearings , as specialists we stock a large range of bearing components that will be suitable for all of your bikes bearing requirements.

At Aire Velo Bearings we are a premium supplier of bottom bracket bearings, we can provide you with a range of bottom bracket bearing types and sizes. There are many types of bottom bracket bearings available and at Aire Velo Bearings we can provide you with a full selection of bottom bracket bearings, as experts, our team are confident that they will provide you with the correct bottom bracket bearing for your bike. At Aire Velo Bearings we are a leading choice for bearings, and not only will we provide a top-quality bottom bracket bearings, we will also provide you with products that are of the best quality. Your bike will rely on these parts to perform well, they may be small, but they are essential and will make sure that your bike rides smoothly. At Aire Velo Bearings we have over 30 years of experience in providing bottom bracket bearings, for more information on the products that we provide, please get in touch today.

Best Bottom Bracket Bearings

The Aire Velo Bearings team are known for being the UK’s biggest provider of bottom bracket bearings, this includes ceramic bearings and stainless steel bearings. Our expert team supplies and provides a large range of bearings for all of your bike requirements. Whatever you require, at Aire Velo Bearings we have got you covered, our expert bikes bearing team offer everything that you need.

The Aire Velo Bearings team are the specialists to call on when in need of bottom bracket bearings, they will not only meet your requirements, but exceed them. Our bottom bracket bearing sizes come in a wide selection and are perfect, whatever your needs. The bottom bracket bearings that we supply will make sure that you ride faster and will also help you to save your energy, this is great, especially when it comes to those times where you need it most. The bottom bracket bearings that we stock are vital when it comes to your bike and will support an enjoyable ride. What’s more is they also come from top quality materials and are durable, so they will be less likely to break down and are also resistant to corrosion. bottom bracket bearings are essential for your bike and will help it run both effectively and efficiently, the Aire Velo Bearings team stock parts that will keep your bike in top condition. You’re always bound to find exactly what you need with our team, our bottom bracket bearings also cover many applications.

Should you need any information regarding the bottom bracket bearings that we offer as well as information on types and sizes, please get in touch today. We specialise in bottom bracket bearings and offer them to customers across the UK. You can also check out the blog here.

Bottom Bracket Bearings Size & Shell Width

Our bottom bracket bearing and bottom brack shell sizes come in a wide range including shell width and shell diameter, whatever your requirements. The bottom bracket bearing system that we stock will help you to ride faster and help you save your energy for the times when you need it most. The bottom bracket bearings that we offer are essential when it comes to your bike, that will support an enjoyable ride or trek and they also come from quality materials so are less likely to break down and will be resistant to corrosion. Bottom bracket bearings are vital for your bike and will help it run effectively and efficiently, at Aire Velo Bearings our company provide a range of bottom bracket bearings will keep your bikes in top condition and also come a different width shell. You’re bound to find exactly what you’re looking for, what’s more is our bottom bracket bearing options cover many applications including bottom bracket bearing replacements. If you are in need of any information regarding the bottom bracket bearings that we provide as well as bottom bracket sizes, please get in touch with Aire Velo Bearings today.

We offer our bottom bracket bearings to customers across the UK and they are suitable for bikes and bicycles. The Aire Velo Bearings professionals are renowned for being the UK’s leading stockist of bottom bracket bearings, this covers bottom bracket bearings and bottom bracket standards. Our team has years of expertise and will supply you with specialised bottom bracket bearings that will suit all of your needs. Should you be in need of bottom bracket bearings, make sure that you call on the team at Aire Velo Bearings we have always got you covered. Our experts provide everything that you may need and we have been providing our bearings for a number of years across the UK and worldwide. You can always trust that you are in the best place with Aire Velo Bearings, we are a team of experts who will always be on hand to help and answer any questions you have. The Aire Velo Bearings team are the experts to call on when in need of bottom bracket bearings, not only will we meet requirements, we aim to exceed them.

Types of Bottom Brackets & Bottom Bracket Shell

The crank bearings are part of the bottom bracket assembly that slots into the round bottom bracket shell on the bicycle frame. This part will contain the spindle that is the axle of the crankset; this part inside the shell allows the links bearings to move smoothly. The crank bearings are connected via spindles with one being attached on the surface and one directly into the frame. There are a number of different bottom bracket configurations. Older bicycles tend to have something known as a cup and cone bracket. Whereas many new bicycles, use cartridge bottom brackets. Types of Bottom Brackets

• Loose Bearings – Three piece assembly with separate spindle and cranks
• Cartridge – Sealed units holding the bearings and the spindle
• One Piece – Spindle and crank arms are a single piece with bearings pressed into the bottom bracket shell
• Pressed Bearings – Bottom bracket with bearing pressed directly into the bicycle frame

 

Threaded Bottom Brackets

Threaded bottom brackets come in a number of different versions. Cheaper and older designs use threading bearings that sit inside the frame with a captive (fixed) axle that the crank arms are tightened onto. There are a multitude of standards for the captive axle. The most common and cheapest is a square interface (square taper), but Shimano offer a multi splined (Octalink) interface and there is also a standard called ISIS, though these latter two are rarer, having been superseded by other designs. Most modern threaded bottom bracket designs now use a three-piece design that has a pair of larger diameter bearings that sit outboard of the bottom bracket shell, which is an axle that is permanently fixed to one of the crank arms threads through.

This design has a large advantage in that the thread bearings sit outside the bottom bracket shell and can be of a much larger diameter, making them much more hard wearing. The axle can also be made thinner and lighter. These designs include Shimano Hollowtech II and SRAM GXP, although these two systems aren’t compatible.

Press-Fit Bottom Brackets

Press-fit bottom brackets that don’t require a threaded bottom bracket shell on the bike frame are becoming more popular. They allow designers to make composite frames system that don’t require tough inserts for the bearings to sit in. There are a number of standards here too. Shimano’s Press-Fit 92 uses the same spacing as their external, threaded Hollowtech II system and is cross-compatible with those cranks using the right 24mm spindle. The bearings are highly important, as their quality dictates how much energy is lost as friction and how long they’ll last. If they are within your budget fully sealed cartridge bearings are preferable. They are non-adjustable, fit and forget units that don’t need any maintenance but have to be thrown away when they are worn out. More expensive units use bearings that have much higher tolerances, resulting in less friction and longer life. Mountain bike bottom brackets often have a larger amount of sealing for the increased demands of off-road use, which increases friction as a side effect. More lightly sealed, lower friction ‘Road’ versions are also common. We also stock bottom bracket bearings suitable for gravel riding suitable bicycles.  

Bottom Bracket Bearing Kits for Sale

Here at Aire Velo, we want to make buying the ball bearings for your bicycle as easy as possible, you can easily access our range of products in our online shop. If you aren’t a cycling enthusiast and don’t know exactly what you are looking for, you can rest assured that a member of our expert and friendly team will be on hand to help you. At Aire Velo Bearings we are a leading supplier of premium bottom bracket bearings and we can offer you a range of bearings in different types and sizes. There are a number of bearings in our range which are all available at Aire Velo Bearings, what’s more is we can supply you with a full collection of bottom bracket bearings, as specialists our team of professionals will ensure that you receive the right bottom bracket bearings for your requirements.

At Aire Velo Bearings we should be your first port of call when it comes to bottom bracket bearings, not only do we offer top quality bottom bracket bearings, we will also make sure that you receive products that are of the best quality. Your bike or bicycle will need these parts to ensure its performance, they are small, but they are vital, and will ensure a smooth ride and trek. At Aire Velo Bearings our team have over 30 years of experience in supplying bottom bracket bearings, so for more information on the products and services that we provide, simply get in touch with our professionals today.  

Which Bottom Bracket is Right for You?

To some extent, the type of bottom bracket you choose will be determined by your frame type and compatibility, as some frames – particularly carbon models above a certain price point – are made to use one type of bottom bracket, and one type only. With some bottom bracket types (anyone remember cottered cranks?) having died out completely, there are three main designs remaining – the cartridge-type bottom bracket (itself a declining standard); the external or outboard bottom bracket and the press-fit bottom bracket (with this latter type becoming more and more commonplace). Inexpensive, easy-to-fit and well-sealed cartridge bottom brackets are still found on lots of MTB and road frames at the more budget or utilitarian end of the market, with external bottom brackets at one point having largely replaced them on higher-end models. However the increased use of carbon fibre as a frame material has also led to a growth in press-fit bottom brackets being specced as standard on mid- to high-end carbon bikes, as well as some aluminium models. It’s one area we are seeing a lot of divergence in at the moment, with different manufacturers using different standards, for different claimed benefits.

Whichever type you choose – or are obliged to stick with – make sure you choose the correct width to fit your bottom bracket shell. These are generally 68 or 73mm wide on MTBs, or 68/70mm on road bikes although again this is not such a consideration with press-fit bottom brackets.

Hybrid Ceramic, Stainless Steel and Steel Bottom Bracket Bearings

Hybrid ceramic, stainless steel and steel bottom bracket bearings all have their advantages. However, you may find that hybrid ceramic bottom bracket bearings are generally more expensive than the other options due to the expected increased lifetime of the system & the performance gains, it all depends on what type of bike you have and what type of riding you do. If you’re not sure, call & speak to our company today & we’d be happy to help.

Why Choose Aire Velo for Bottom Bracket Bearing Kits?

The team here have been providing customers with ball bearings, headsets and bottom bracket bearing kits for a number of years now. We are known throughout the industry for the wide range of products we sell at affordable prices, what’s more we take great pride in providing customers with a 5* rated service. From our easy to use online shop to fast delivery, we have your needs covered. Whether you are looking to replace and fit your bottom bracket immediately, or simply want a spare at home, you are sure to find what you are looking for when you choose to buy from Aire Velo. At Aire Velo Bearings we stock and supply a wide range of bottom bracket bearings in different types and sizes, we are also confident that we have the bicycle bearings that you need to meet your requirements. Take a look at some of the reasons below why we think that you should make us your first choice for bottom bracket bearings.

• Come in a large range of bearing types and sizes.
• We offer a range of explanation guides to help answer any questions or queries that you may have.
• Home to a highly experienced team who can always be on hand to assist.
• Providing cost-effective and efficient prices, you will be able to get your hands on exactly what you need.
• If bottom bracket bearings aren’t what you’re looking for, we also stock a large selection of other bearing products.

 

Buy Online from Aire Velo

If you know exactly what you are looking for you can use our online shop, if you order before 4 pm we offer a same day shipping service. No matter what product you are looking for, or where in the UK you are based you can rest assured that we provide high quality products with fast delivery. What’s more, if you need to ask any questions about the products that we supply or need any further assistance a member of the Aire Velo team will be happy to help.

We supply bearings from a range of well known manufacturers, including NTN - which stands for Niwa

FAQs

How to Remove Bottom Bracket Bearings? Inspect the threading and threaded bottom bracket bearing cups for tool fittings. There are many different designs and tool options. When you have the correct tool which is needed, insert the tool fully and remove the non-drive (left-side) cup by turning counterclockwise, holding the tool firmly to the cup. Removing an internal sleeve, it’s important to take note of any spacers under the cup for reassembly.

How to Replace/Change Bottom Bracket Bearings? With your new/replacement bottom bracket, grease both parts of the tubes and threads using the paint brush. Apply enough grease so that the threads are evenly coated. Insert the bottom bracket from the drive side of the bike with the larger side facing your hand and gently screw in the second set of threads on the other side with your fingers. Use the bottom bracket tool to screw in the larger side (drive side) of the bottom bracket, make sure to screw it in counter clockwise. Screw the threaded bottom bracket in all the way, but make sure not to tighten it down. Repeat for the smaller side, except screw the bottom bracket in clockwise, tighten both sides down with the bottom bracket tool. Put the cranks back on their corresponding sides, making sure the chain goes back around the chain ring and put the bolts back through and tighten them into place with the allen wrench used earlier. Finally rotate the pedals with your hands to check that the bottom bracket is rotating smoothly and not catching.

How do I know if my bottom bracket bearings are worn out? You can usually tell if your bottom bracket bearings are worn out if you can feel an obvious rumbling, creaking, grinding or stiffness. This will tell you that the bearing is worn out and should be replaced. If your bottom bracket is severely corroded or worn out, you will be able to hear a grinding noise. For more information on this, check out out blog on What is the Bottom Bracket on a Bike now!

How Do I Know the Size of my Bottom Bracket? The best way to find out the size of your bottom bracket bearing is to check for a code, if you can’t see a code you will need to measure the bearing. If you measure the inner, outer & width of the bearing you will be able to identify it from that & you can input those dimensions in our handy search bar at the top of the site.

How long can a bottom bracket bearing last for? We wouldn’t want to make a generalisation as to how long a bottom bracket can last for, this is because there are too many factors to consider including weather & the number of miles the bike has done etc. You can always speak to the expert team at Aire Velo if you need any further assistance.

How to remove sealed bearings from the bottom bracket? More and more bikes now come with bottom bracket bearings that will push into the frame. Should your bottom bracket bearings have worn down, are damaged or corroded, you’ll need to remove them, these bottom bearings won’t be held in place by threads in the frame, they will be pushed into place and held by friction. Sometimes, this won’t work well and the bottom bracket bearings may creak, to fix this you can replace them and use a thread locked to hold them in place.

Can bottom bracket bearings rattle? There are a number of reasons why your bottom bracket bearings may rattle, this usually indicates a problem with the bottom bracket itself. There are a range of things that you can do to check this, this includes pulling your cranks laterally and seeing if they move, you can also remove the chain from the chainings and give your cranks a spin, when you do this, listen for any unusual grinding noises or little clicks, you can also test this by holding the tube or seat tube down while spinning the crank then see if you can feel any grinding or vibration through the frame. Any of these points will indicate that you need to service or replace your bottom bracket.

What bottom bracket do I have? In order to find out the size of the bottom brackets that you need, make sure that you measure inside of the bottom bracket shell in your frame, it will be either 73mm, 70mm or 68mm. Some older frames may come with threaded bottom brackets instead.