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29% Off Full Price Clearance
UNO Adjustable Stem 110mm

BPW

UNO Adjustable Stem 110mm

Regular price $28.00 Full price
Sale price $28.00
Club price
Regular price $39.99 Full price
BBB Roadforce II OS Stem 31.8 x 120mm +/- 6 Rise

BBB

BBB Roadforce II OS Stem 31.8 x 120mm +/- 6 Rise

Regular price $65.00 Full price
Sale price $65.00
Club price
Regular price $69.99 Full price
BPW Alloy Stem 28.6 x 60mm 35° Rise

BPW

BPW Alloy Stem 28.6 x 60mm 35° Rise

Regular price $34.99 Full price
Sale price $34.99
Club price
Regular price $35.00 Full price
33% Off Full Price
BPW Alloy Spacer For 1 1/8th Headset 5mm Black

BPW

BPW Alloy Spacer For 1 1/8th Headset 5mm Black

Regular price $2.00 Full price
Sale price $2.00
Club price
Regular price $2.99 Full price
PRO Gap Cap Expander Long 1-1/8'' 50mm

Pro

PRO Gap Cap Expander Long 1-1/8'' 50mm

Regular price $55.00 Full price
Sale price $55.00
Club price
Regular price $57.99 Full price
FD Kobe Rise Adaptor

KOBE

FD Kobe Rise Adaptor

Regular price $27.00 Full price
Sale price $27.00
Club price
Regular price $29.99 Full price
BBB Roadforce II Stem 31.8 130mm OS 6deg

BBB

BBB Roadforce II Stem 31.8 130mm OS 6deg

Regular price $71.50 Full price
Sale price $71.50
Club price
Regular price $76.99 Full price
33% Off Full Price
Alloy Spacer for 1 1/8 Headset 10mm Black

BPW

Alloy Spacer for 1 1/8 Headset 10mm Black

Regular price $2.00 Full price
Sale price $2.00
Club price
Regular price $3.00 Full price
16% Off Full Price
BPW L-130 Alloy Converter for Ahead Stem 22.2 x 28.6mm

BPW

BPW L-130 Alloy Converter for Ahead Stem 22.2 x 28.6mm

Regular price $25.00 Full price
Sale price $25.00
Club price
Regular price $29.99 Full price
PRO LT Reversable Stem 31.8 x 90mm 6 Deg Rise Black

Pro

PRO LT Reversable Stem 31.8 x 90mm 6 Deg Rise Black

Regular price $57.00 Full price
Sale price $57.00
Club price
Regular price $60.00 Full price
20% Off Full Price Clearance
Neco Threadless 1 1/8 Tension Adjuster

BPW

Neco Threadless 1 1/8 Tension Adjuster

Regular price $19.95 Full price
Sale price $19.95
Club price
Regular price $25.00 Full price
66% Off Full Price Clearance
BPW Alloy Spacer for 1 1/8th Headset 2mm Black

BPW

BPW Alloy Spacer for 1 1/8th Headset 2mm Black

Regular price $1.00 Full price
Sale price $1.00
Club price
Regular price $2.99 Full price
22% Off Full Price Clearance
Colony BMX EXON II Stem 40mm Rainbow

Colony

Colony BMX EXON II Stem 40mm Rainbow

Regular price $54.00 Full price
Sale price $54.00
Club price
Regular price $69.99 Full price
BPW BMX Front Load Stem Clamp 22.2mm Black

BPW

BPW BMX Front Load Stem Clamp 22.2mm Black

Regular price $15.00 Full price
Sale price $15.00
Club price
Regular price $15.99 Full price
19% Off Full Price
PRO LT Reversable Stem 31.8 x 110mm +/- 6° Rise

Pro

PRO LT Reversable Stem 31.8 x 110mm +/- 6° Rise

Regular price $53.00 Full price
Sale price $53.00
Club price
Regular price $65.99 Full price
BBB Roadforce II OS Stem 31.8 x 70mm +/- 6° Rise

BBB

BBB Roadforce II OS Stem 31.8 x 70mm +/- 6° Rise

Regular price $45.00 Full price
Sale price $45.00
Club price
Regular price $49.99 Full price
16% Off Full Price
Stem Bolt Allen Key Type M5x20mm Stainless Steel

BPW

Stem Bolt Allen Key Type M5x20mm Stainless Steel

Regular price $5.00 Full price
Sale price $5.00
Club price
Regular price $6.00 Full price
24% Off Full Price Clearance
BPW Threadless Tension Adjuster 1&1/8'' 50mm

BPW

BPW Threadless Tension Adjuster 1&1/8'' 50mm

Regular price $15.00 Full price
Sale price $15.00
Club price
Regular price $19.99 Full price
20% Off Full Price Clearance
BPW Alloy Spacer for 1 1/8th Headset 7mm Black

BPW

BPW Alloy Spacer for 1 1/8th Headset 7mm Black

Regular price $2.00 Full price
Sale price $2.00
Club price
Regular price $2.50 Full price
49% Off Full Price Clearance
BPW Alloy Top Cap 1 1/8''

BPW

BPW Alloy Top Cap 1 1/8''

Regular price $2.00 Full price
Sale price $2.00
Club price
Regular price $4.00 Full price
BPW Alloy BMX Stem 28.6 to 31.8mm BB

BPW

BPW Alloy BMX Stem 28.6 to 31.8mm BB

Regular price $35.00 Full price
Sale price $35.00
Club price
Regular price $40.00 Full price
33% Off Full Price Clearance
Stem Bolt Allen Key Type M6 x 20mm Stainless Steel

BPW

Stem Bolt Allen Key Type M6 x 20mm Stainless Steel

Regular price $10.00 Full price
Sale price $10.00
Club price
Regular price $15.00 Full price
16% Off Full Price
BPW Ahead Stem 31.8mm BB 28.6mm Steerer 60mm Ext 7 Degree Black

BPW

BPW Ahead Stem 31.8mm BB 28.6mm Steerer 60mm Ext 7 Degree Black

Regular price $25.00 Full price
Sale price $25.00
Club price
Regular price $29.99 Full price
BPW Adjustable Quill Stem 25.4 x 80mm

BPW

BPW Adjustable Quill Stem 25.4 x 80mm

Regular price $35.00 Full price
Sale price $35.00
Club price
Regular price $39.99 Full price
BPW Ahead Stem - 90mm Ext - 8 Degree - 28.6mm Dia. - 31.8mm BB - Black

BPW

BPW Ahead Stem - 90mm Ext - 8 Degree - 28.6mm Dia. - 31.8mm BB - Black

Regular price $37.00 Full price
Sale price $37.00
Club price
Regular price $39.99 Full price
BPW Ahead Threadless Road Stem 26mm Clamp 70mm Black

BPW

BPW Ahead Threadless Road Stem 26mm Clamp 70mm Black

Regular price $36.00 Full price
Sale price $36.00
Club price
Regular price $40.00 Full price
20% Off Full Price Clearance
Ahead Stem 25.4mm dia, 50mm ext, for 22.2mm Barbore, black

BPW

Ahead Stem 25.4mm dia, 50mm ext, for 22.2mm Barbore, black

Regular price $20.00 Full price
Sale price $20.00
Club price
Regular price $25.00 Full price
17% Off Full Price
Ahead Stem 28.6mm Diameter x 90mm Length, 31.8 BB, 7 Degree Rise Black

BPW

Ahead Stem 28.6mm Diameter x 90mm Length, 31.8 BB, 7 Degree Rise Black

Regular price $29.00 Full price
Sale price $29.00
Club price
Regular price $34.99 Full price
33% Off Full Price Clearance
BPW Alloy Spacer for 1 1/8th Headset 15mm Black

BPW

BPW Alloy Spacer for 1 1/8th Headset 15mm Black

Regular price $2.00 Full price
Sale price $2.00
Club price
Regular price $2.99 Full price
19% Off Full Price Clearance
BPW Alloy Spacer Set Black Sizes 2, 5, 8 & 10mm

BPW

BPW Alloy Spacer Set Black Sizes 2, 5, 8 & 10mm

Regular price $8.00 Full price
Sale price $8.00
Club price
Regular price $9.99 Full price
24% Off Full Price Clearance
BPW Alloy Spacer for 1 1/8th Headset 9mm Black

BPW

BPW Alloy Spacer for 1 1/8th Headset 9mm Black

Regular price $3.00 Full price
Sale price $3.00
Club price
Regular price $3.99 Full price
18% Off Full Price
Alloy Adjustable Ahead Stem -20 to +60 Deg 31.8mm BB

BPW

Alloy Adjustable Ahead Stem -20 to +60 Deg 31.8mm BB

Regular price $65.00 Full price
Sale price $65.00
Club price
Regular price $79.99 Full price
Ahead Stem 60mm Extension, 25 Degree, 28.6mm Diameter Black

BPW

Ahead Stem 60mm Extension, 25 Degree, 28.6mm Diameter Black

Regular price $26.00 Full price
Sale price $26.00
Club price
Regular price $29.99 Full price
Profile Design Ergo/Race Ultra Armrest Pad Kit 10mm

Profile Design

Profile Design Ergo/Race Ultra Armrest Pad Kit 10mm

Regular price $55.00 Full price
Sale price $55.00
Club price
Regular price $59.99 Full price
FSA SMN ACR Stem 120mm

Merida

FSA SMN ACR Stem 120mm

Regular price $79.00 Full price
Sale price $79.00
Club price
Regular price $89.99 Full price
14% Off Full Price
FD Kobe Stem 31.8mm Diameter 50mm Length 3° Rise

FD Kobe

FD Kobe Stem 31.8mm Diameter 50mm Length 3° Rise

Regular price $34.00 Full price
Sale price $34.00
Club price
Regular price $39.95 Full price

Find Your Size

Step 1: Measure your height

  • Take off your shoes
  • Stand with your back straight against a wall
  • Balance a book on your head to mark your height on the wall
  • Measure your height by the distance from the floor to the mark
cm

Find Your Size

Step 2: Adjust your inseam

  • Based on your height, we’ve calculated a starting point.
  • You can measure your inseam by tucking a book between your legs so there is pressure but it isn’t uncomfortable.
  • Inseam typically falls with 5cm of the average.
cm

Find Your Size

Your results

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Recommended sizes will now be highlighted on the page.

Things to Consider When Shopping for Stems

When shopping for bicycle stems, the most important thing to consider is how a stem affects your riding position and overall comfort on the bike. Stems control the reach and height of your handlebars, so choosing the right length and rise can make a significant difference to how your bike feels, whether you ride road, mountain, or commuter. A shorter stem generally creates quicker, more responsive handling, while a longer stem stretches you out for a more aggressive position. Rise angle also plays a role, with higher-rise stems suiting riders who prefer a more upright, comfortable posture. If you are replacing an existing stem, matching the clamp diameter to your handlebars and the steerer diameter to your fork is essential before purchasing. Handlebar Stems are one of the most effective ways to fine-tune your fit without overhauling your entire cockpit setup.

Commonly Asked Questions about Stems

Related Categories

Expert Advice

Handlebars Buying Guide
Buying Guides

Handlebars Buying Guide

Handlebar design and dimensions are integral to how your bike handles and ultimately, how well it fits you. Bikes will generally come with handlebars of the appropriate size and shape, however, an upgrade can give you that extra performance edge. Road Bike Handlebars The most important consideration when buying road bike handlebars is width with the goal being to try and match the width of the bars to your shoulders to ensure a comfortable riding position. Secondly, you'll need to decide on what shape you require. The curve in road bike handlebars is referred to as 'drop' with a larger drop allowing for a more aggressive and aerodynamic riding position, however if you're not confident you'll be able to stay down in your drops for long periods of time then a more compact design might be the best for you. Finally, you should consider what material you'll require. Road bike bars are available in both carbon and aluminium and the choice largely depends on how much weight you want to save vs. how deep your pockets are. Shop Road Handlebars Mountain Bike Handlebars As is the case with road bikes, mountain bike handlebars come in a variety of widths to suit different rider sizes and styles. Wider bars provide greater control in corners, but can be a handful around obstacles in a tight and twisty trail. If you're into downhill riding then you'll want extra strong bars to put up with the rough ground and heavily landings you'll be encountering on the trails, whereas if cross-country riding is more your style then you will be more concerned with weight rather than strength. It is also important to ensure that you get the correct diameter bar to fit your stem with the most common size being 31.8mm. The final consideration to make is rise, which refers to how much higher the ends of the bars sit in relation to the centre clamp. A lower rise gives a more aggressive riding position however won't be as comfortable over longer rides as bars with a larger rise. Shop MTB Handlebars

Oct 8, 2025
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Bike Stems Buying Guide
Buying Guides

Bike Stems Buying Guide

The right size bike stem will greatly improve your riding efficiency and comfort. They are available in varying lengths to accommodate riders of different heights. Short stems provide a more upright riding position. While a longer stem will produce a more 'stretched out' position. Stems are also available in a variety of angles which allows you to effectively raise or lower your handlebars to achieve the optimal riding position. See All Bike Stems

Oct 8, 2025
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Easy Bike Maintenance Velo Academy
Cycling Advice

Easy Bike Maintenance Velo Academy

No matter how often you ride, it's well worth learning a few things about how to maintain and adjust your bike. 99 Bikes and Velo Academy have put together a series of videos to help you learn a few basic procedures to help you ride more comfortably, and possibly also get your out of a sticky situation (like failing brakes!) Adjust Seat and Handlebars In this video you'll learn how to adjust your bike seat and handlebars to make riding as comfortable as possible. For this, you'll need a torque wrench. Adjust Brakes In this one, you'll find out what to do if you notice your brakes aren't sitting quite right. You'll need an allen key or multi-tool. Clean and Lubricate a Chain In this video, you'll learn how to clean and re-lubricate your chain. You'll be needing citrus degreaser, chain cleaner, chain lubricant, water and a clean rag. Fix a Flat Tyre Finally, this video will show you how to change a flat tyre. For this, you'll need tyre levers, a new inner tubeC and a pump. See All Tools and Maintenance

Jul 3, 2025
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