31.8mm Size Cycling Gear

Discounted 31.8mm Size Cycling Gear, including bikes, clothing, components and accessories.

FSA OS-150 XTC Carbon Stem
31.8mm, 160g, White, Carbon - 77% off
£69.95£15.99!
View the FSA OS-150 XTC Carbon Stem
3T Vola Pro Alloy Road Base Handlebar
31.8mm, 42cm, Alloy, 830g, Black - 72% off
£125.00£34.99!
View the 3T Vola Pro Alloy Road Base Handlebar
Ritchey Comp Curve Alloy Road Handlebar
42cm, 44cm, Alloy, 301g, Black - 69% off
£49.00£15.09!
View the Ritchey Comp Curve Alloy Road Handlebar
USE Summit Alloy Road Handlebar
40cm,42cm,44cm, 31.8mm, Alloy, 266g, Black - 67% off
£59.99£19.99!
View the USE Summit Alloy Road Handlebar
Deda RHM 02 Alloy Road Handlebar
44cm, Alloy, 295g, Black, White - 66% off
£37.99£12.89!
View the Deda RHM 02 Alloy Road Handlebar
ITM Alcor 80 Alloy MTB Handlebar
620mm, 640mm, 740mm, Semi Rise, Alloy, Black - 65% off
£25.99£9.03!
View the ITM Alcor 80 Alloy MTB Handlebar
Pro XCR Alloy XC MTB Stem
130mm, 31.8mm, 120g, Black, Alloy - 64% off
£69.99£24.99!
View the Pro XCR Alloy XC MTB Stem
3T Ergonova Team Stealth Carbon Road Handlebar
46cm - 38cm is extra - 31.8mm, Carbon, 198g, Black - 62% off
£250.00£94.99!
View the 3T Ergonova Team Stealth Carbon Road Handlebar
3T Ernova Team Stealth Carbon Road Handlebars
38cm, 44cm - 40cm, 42cm are extra - 31.8mm, Black, Carbon, 195g - 62% off
£290.00£109.00!
View the 3T Ernova Team Stealth Carbon Road Handlebars
Crank Brothers Cobalt 3 Stem
31.8mm, 1 1/8", 90mm, 125g, Black, Gold, Alloy - 60% off
£69.99£27.99!
View the Crank Brothers Cobalt 3 Stem
3T Ernova Pro Alloy Road Handlebar
38cm, 31.8mm, Black, Alloy, 123mm, 77mm, 260g - 60% off
£99.95£39.95!
View the 3T Ernova Pro Alloy Road Handlebar
FSA Afterburner MTB Stem
31.8mm, 130mm, 144g, Black, Alloy - 60% off
£49.99£19.99!
View the FSA Afterburner MTB Stem
3T Ergonova Team Carbon Road Handlebar
46cm, 31.8mm, Carbon, 198g, Black - 60% off
£250.00£99.95!
View the 3T Ergonova Team Carbon Road Handlebar
3T Rotundo Ltd Carbon Road Handlebar
44cm, Carbon, 190g, Black, Silver - 58% off
£299.99£124.99!
View the 3T Rotundo Ltd Carbon Road Handlebar
3T Ernova Ltd Carbon Road Handlebars
38cm, 44cm, 31.8mm, Black, Carbon, 180g - 57% off
£349.00£149.00!
View the 3T Ernova Ltd Carbon Road Handlebars
3T Aura Pro Carbon Time Trial Handlebar
40cm, 42cm, 31.8mm, Carbon, 700g, Black - 57% off
£299.99£129.95!
View the 3T Aura Pro Carbon Time Trial Handlebar
3T Ergosum Team Stealth Carbon Road Handlebar
44cm, Carbon, 241g, Black - 56% off
£236.99£104.99!
View the 3T Ergosum Team Stealth Carbon Road Handlebar
3T Rotundo Team Stealth Carbon Road Handlebar
31.8mm, 44cm, Carbon, 200g, Black - 56% off
£225.00£99.95!
View the 3T Rotundo Team Stealth Carbon Road Handlebar
FSA Omega Alloy Stem
110mm, 31.8mm, 139g, Black, Alloy - 55% off
£26.99£12.19!
View the FSA Omega Alloy Stem
Ritchey Classic Alloy Stem
31.8mm, 1 1/8", 100mm, 110mm, 121g, Black, Alloy - 55% off
£56.95£25.89!
View the Ritchey Classic Alloy Stem
Shimano XTR M9025 11 Speed Double Top Swing MTB Front Mech
Silver, Black, Double, 11 speed, Top Swing, 124g - 54% off
£59.99£27.50!
View the Shimano XTR M9025 11 Speed Double Top Swing MTB Front Mech
Shimano SLX M7020 Double 11 Speed Front Mech
High Clamp, 31.8mm, 34.9mm, Dual Pull, 11 Speed, 147g - 52% off
£29.99£14.44!
View the Shimano SLX M7020 Double 11 Speed Front Mech
ITM Alcor 80 Alloy Stem
110mm, 120mm, 130mm, 31.8mm, 164g, Black, Alloy - 50% off
£19.99£10.00!
View the ITM Alcor 80 Alloy Stem
Thomson Elite X4 1.5″ Alloy MTB Stem
45mm, 1.5", 31.8mm, Black, Alloy - 50% off
£100.00£49.99!
View the Thomson Elite X4 1.5″ Alloy MTB Stem
3T Ergonova Pro Alloy Road Handlebar
38cm, 40cm, 46cm, 31.8mm, Alloy, 275g, Black - 50% off
£99.95£49.99!
View the 3T Ergonova Pro Alloy Road Handlebar
Profile Legra Alloy Stem
Black, 110mm, 31.8mm - 50% off
£49.99£25.00!
View the Profile Legra Alloy Stem
Deda Superleggero Alloy Road Stem
130mm, 31.8mm, 99g, Black, Alloy - 49% off
£119.95£60.99!
View the Deda Superleggero Alloy Road Stem
3T ErgoSum Pro Alloy Road Handlebar
42cm, 31.8mm, Alloy, 245g, Black - 47% off
£79.99£42.50!
View the 3T ErgoSum Pro Alloy Road Handlebar
Ritchey WCS Carbon C220 Matrix Road Cycling Stem
80mm, 120mm, 31.8mm, 126g, Black, Carbon - 47% off
£140.00£74.45!
View the Ritchey WCS Carbon C220 Matrix Road Cycling Stem
Shimano XT M8025 2×11 MTB Front Mech
28.6mm, 31.8mm, 34.9mm, Black, Silver, 11 Speed, High Clamp, Alloy - 46% off
£36.99£19.99!
View the Shimano XT M8025 2×11 MTB Front Mech
Deda Zero 1 Alloy Road Stem
110mm, 120mm, 31.8mm, 145g, Black, Alloy - 44% off
£27.99£15.69!
View the Deda Zero 1 Alloy Road Stem
Deda Zero 100 Alloy Road Handlebar
38cm, Alloy, 242g, Black - 44% off
£83.99£47.14!
View the Deda Zero 100 Alloy Road Handlebar
Fizik Cyrano R1 Carbon Road Handlebar
40cm,42cm,44cm,46cm, 31.8mm, Carbon, 205g, Black - 41% off
£229.99£135.00!
View the Fizik Cyrano R1 Carbon Road Handlebar
Ritchey Superlogic Logic 2 Carbon Road Handlebar
42cm, Carbon, 190g, Black - 40% off
£270.00£162.99!
View the Ritchey Superlogic Logic 2 Carbon Road Handlebar
Race Face Turbine MTB Stem
60mm, 100mm - 70mm, 90mm are extra, 31.8mm, 135g, Black, Alloy - 36% off
£79.95£50.99!
View the Race Face Turbine MTB Stem
Easton Haven Alloy MTB Riser Handlebar
740mm, 31.8mm, Alloy, 285g, Black - 35% off
£69.95£45.49!
View the Easton Haven Alloy MTB Riser Handlebar
Easton EA70 Ergo Alloy Road Handlebar
31.8mm, 40cm, Alloy, 260g, Black - 35% off
£79.99£51.99!
View the Easton EA70 Ergo Alloy Road Handlebar
Easton EA90 Stem
31.8mm, 1 1/8", 125g, Black, Alloy - 35% off
£74.99£48.74!
View the Easton EA90 Stem
Thomson Elite X4 Alloy MTB Stem
Black, 31.8mm, 130mm, Alloy, 163g - 33% off
£79.99£53.95!
View the Thomson Elite X4 Alloy MTB Stem
Thomson Elite X2 Alloy Road Stem
Black, 100mm,110mm,120mm,130mm - 70mm, 90mm are extra, 31.8mm, 170g, Black, Alloy - 33% off
£79.99£53.95!
View the Thomson Elite X2 Alloy Road Stem
Zipp SL Speed Carbon Road Stem 2018
70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 31.8mm, 1 1/8", 123g, Black, Carbon - 29% off
£244.99£174.00!
View the Zipp SL Speed Carbon Road Stem 2018
Brand-X Road Stem
110mm, 1 1/8", 31.8mm, 162g, Black, Alloy - 29% off
£14.00£9.99!
View the Brand-X Road Stem
Chromag HiFi V2 Stem
31.8mm, 1 1/8", 30mm, 40mm, 50mm, 195g, Black, Blue, Red, Silver, Alloy - 29% off
£71.99£50.99!
View the Chromag HiFi V2 Stem
Deda Elementi Zero100 Shallow Road Handlebar
42cm,44cm,46cm - Black, Alloy, 31.8mm, 252g - 28% off
£82.99£59.99!
View the Deda Elementi Zero100 Shallow Road Handlebar
Shimano Tiagra 4700 Double 10 Speed Band On Road Front Mech
28.6mm,31.8mm,34.9mm, 10 Speed, Double, Band On, Silver - 28% off
£32.99£23.59!
View the Shimano Tiagra 4700 Double 10 Speed Band On Road Front Mech
Deda Elementi Zero 100 Deep Road Handlebars
42cm, 44cm, 46cm, Black, 31.8mm, Alloy, 254g - 28% off
£82.99£59.99!
View the Deda Elementi Zero 100 Deep Road Handlebars
FSA Gossamer Alloy 6061-T6 MTB Stem
31.8mm, 70mm, 6 Degrees, 144g, Black, Alloy - 28% off
£44.99£32.45!
View the FSA Gossamer Alloy 6061-T6 MTB Stem
Easton EA50 Alloy Stem
1 1/8", 31.8mm, 175g, Black, Alloy - 27% off
£44.99£32.99!
View the Easton EA50 Alloy Stem
FSA SL-K Alloy Stem
31.8mm, 141g, Black, Alloy - 26% off
£89.99£66.99!
View the FSA SL-K Alloy Stem
Shimano Sora 3500 9 Speed Double Front Mech
28.6mm, 31.8mm, 34.9mm, Braze On, 9 speed, Double, Black, Silver - 26% off
£26.99£19.99!
View the Shimano Sora 3500 9 Speed Double Front Mech
FSA K-Force Carbon XC MTB Riser Handlebar
660mm, 31.8mm, Carbon, 120g, Black - 25% off
£167.67£125.95!
View the FSA K-Force Carbon XC MTB Riser Handlebar
Ritchey Superlogic C260 Carbon Road Stem
80mm, 90mm, 100mm, 110mm, 120mm, 130mm, 31.8mm, 125g, Yellow, Carbon - 24% off
£240.00£182.99!
View the Ritchey Superlogic C260 Carbon Road Stem
Zipp SL-70 Alloy Road Handlebar
38cm, 40cm, 42cm, 44cm, Alloy, 250g, Black - 24% off
£91.00£69.00!
View the Zipp SL-70 Alloy Road Handlebar
FSA Gossamer OS-148LX Alloy CNC Stem
100mm, 110mm, 120mm, 31.8mm, 145g, Black, Alloy - 20% off
£44.99£35.99!
View the FSA Gossamer OS-148LX Alloy CNC Stem
FSA Gossamer Compact Wing Alloy Road Handlebar
31.8mm, Alloy, 310g, Black - 18% off
£49.99£40.79!
View the FSA Gossamer Compact Wing Alloy Road Handlebar
FSA Energy Ergo Alloy Road Handlebar
31.8mm, 40cm, Alloy, 272g, Black - 16% off
£89.99£75.99!
View the FSA Energy Ergo Alloy Road Handlebar
FSA K-Force New Ergo Carbon Road Handlebar
31.8mm, Carbon, 185g, Red - 16% off
£249.99£209.99!
View the FSA K-Force New Ergo Carbon Road Handlebar
Easton Haven MTB Stem
31.8mm, 85mm, 100mm, 1 1/8", 153g, Black, Alloy - 16% off
£79.99£66.99!
View the Easton Haven MTB Stem
Easton Havoc Alloy MTB Riser Handlebar
31.8mm, 20mm, 750mm, Alloy, 315g, Grey - 10% off
£59.99£53.99!
View the Easton Havoc Alloy MTB Riser Handlebar
Easton Havoc MTB Stem
31.8mm, 1 1/8", 148g, Black, Alloy - 10% off
£79.99£71.99!
View the Easton Havoc MTB Stem

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Welcome to Bike Bargains - I scour the internet trying to find the best deals specifically for UK based cyclists. Over the years I've saved hundreds of pounds on cycling gear, simply by shopping around and buying cycling consumables only when they're on sale. Whether you're a road cyclist or a DH mountain biker, I handpick the best money saving cycling related bargains I can find - and will hopefully save you money too! If any deals have expired, then please let me know by clicking the Expired button, and I'll then remove them. A full list of expired deals can be found here. Bike Bargains is a participant in the Amazon EU Associates Programme, an affiliate advertising programme designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.co.uk. All details are believed to be correct, but please check with the retailer prior to buying - deals and specifications change, and your contract is solely with the retailer. Here is my Privacy Policy.

Thanks in advance, and Happy Shopping!

Hope this helps to save you some money!

Claire x