31.8mm Size Cycling Gear

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

Ritchey Comp Flat MTB Handlebars
31.8mm, 580mm, 620mm, White, 230g - 80% off
£29.99£5.99!
View the Ritchey Comp Flat MTB Handlebars
Ritchey WCS Riser Alloy MTB Handlebars
660mm, 31.8mm, 20mm rise, 210g, Alloy, Red - 79% off
£70.00£14.99!
View the Ritchey WCS Riser Alloy MTB Handlebars
Ritchey Superlogic Carbon 10D Flat MTB Handlebars
Carbon, 31.8mm, 620mm, 130g, Black - 79% off
£175.00£37.50!
View the Ritchey Superlogic Carbon 10D Flat MTB Handlebars
FSA OS-150 XTC Carbon Stem
31.8mm - 75% off
£69.95£17.50!
View the FSA OS-150 XTC Carbon Stem
Time Potence Monolink Ulteam Carbon Road Stem
140mm, 31.8mm, Black, Carbon, Alloy, 125g - 75% off
£300.00£75.00!
View the Time Potence Monolink Ulteam Carbon Road Stem
Time Potence Monolink RXR Ulteam Carbon Road Stem
130mm, 140mm, 31.8mm, Red, Grey, Carbon, Alloy, 115g - 74% off
£300.00£79.00!
View the Time Potence Monolink RXR Ulteam Carbon Road Stem
Time Potence Monolink Carbon Road Stem
130mm, 140mm, 31.8mm, White, Grey, Green, Carbon, Alloy, 124g - 74% off
£300.00£79.00!
View the Time Potence Monolink Carbon Road Stem
Answer Atac AME MTB Stem
31.8mm, 1.1/8", 70mm, 80mm, White, Red, Alloy - 72% off
£52.99£14.99!
View the Answer Atac AME MTB Stem
FSA Gossamer Compact Wing Road Handlebar
31.8mm, black - 70% off
£49.99£15.00!
View the FSA Gossamer Compact Wing Road Handlebar
3T Vola Pro Road Basebar
31.8mm,42cm - 68% off
£125.00£39.95!
View the 3T Vola Pro Road Basebar
Time Potence Monolink RXR VIP Carbon Road Stem
140mm, 31.8mm, Grey, Carbon, Alloy, 115g - 67% off
£350.00£114.95!
View the Time Potence Monolink RXR VIP Carbon Road Stem
FSA Afterburner MTB Stem
31.8mm, Black, Alloy, Carbon - 62% off
£49.99£18.99!
View the FSA Afterburner MTB Stem
3T Ergonova Team Carbon Road Handlebar
46cm, Black, 31.8mm, 198g, Carbon - 60% off
£250.00£99.95!
View the 3T Ergonova Team Carbon Road Handlebar
USE Summit Alloy Handlebar
40cm, 31.8mm, black, alloy, 266g - 60% off
£59.99£24.00!
View the USE Summit Alloy Handlebar
3T Aura Pro Carbon Time Trial Handlebars
40cm, 42cm, Black, 31.8mm, 700g, Carbon - 57% off
£299.99£129.95!
View the 3T Aura Pro Carbon Time Trial Handlebars
3T Rotundo Team Stealth Carbon Road Handlebars
31.8mm, 44cm, Black, 200g - 56% off
£225.00£99.95!
View the 3T Rotundo Team Stealth Carbon Road Handlebars
Ritchey Comp Logic II Alloy Handlebar
310g, 42cm, 31.8mm, Black - 54% off
£36.00£16.49!
View the Ritchey Comp Logic II Alloy Handlebar
Shimano Sora 3500 9 Speed Double Front Mech
Braze On, 9 speed, Double, Black, Silver - 52% off
£26.99£12.95!
View the Shimano Sora 3500 9 Speed Double Front Mech
Bontrager Rhythm Pro Alloy Stem
70mm, Black, 31.8mm, 140g - 50% off
£59.99£29.99!
View the Bontrager Rhythm Pro Alloy Stem
Shimano SLX M7020 Double 11 Speed Front Mech
High Clamp, 31.8mm, 34.9mm, Dual Pull, 11 Speed, 147g - 50% off
£29.99£15.00!
View the Shimano SLX M7020 Double 11 Speed Front Mech
3T Ergonova Pro Alloy Road Handlebar
38cm, 40cm, 42cm, 44cm, 46cm, Black, White, 31.8mm, 275g - 50% off
£99.95£49.99!
View the 3T Ergonova Pro Alloy Road Handlebar
3T Ergonova Team Stealth Carbon Road Handlebar
38cm, 46cm, Black, 31.8mm, Carbon, 198g - 50% off
£250.00£125.00!
View the 3T Ergonova Team Stealth Carbon Road Handlebar
ITM Alcor 80 Alloy Stem
60mm, 110mm, 120mm, 130mm, Black, 31.8mm - 50% off
£19.99£10.00!
View the ITM Alcor 80 Alloy Stem
Specialized Comp Multi Stem
White, 120mm, 31.8mm - 50% off
£34.99£17.49!
View the Specialized Comp Multi Stem
Nukeproof Sam Hill Series Direct Mount MTB Stem
40mm, Black, 1 1/18", 31.8mm, 130g - 50% off
£59.99£29.99!
View the Nukeproof Sam Hill Series Direct Mount MTB Stem
3T ErgoSum Pro Alloy Road Handlebar
42cm, Black, Alloy, 31.8mm, 245g - 47% off
£79.99£42.50!
View the 3T ErgoSum Pro Alloy Road Handlebar
Sixpack Racing Millenium 785 MTB Riser Handlebar
31.8mm, 18mm, 785mm,Red, Alloy - 46% off
£49.99£26.99!
View the Sixpack Racing Millenium 785 MTB Riser Handlebar
Shimano Tiagra 4700 Double 10 Speed Band On Road Front Mech
28.6mm, 31.8mm, 10 Speed, Double, Band On, Silver - 39% off
£32.99£19.99!
View the Shimano Tiagra 4700 Double 10 Speed Band On Road Front Mech
Easton Haven Alloy MTB Riser Bars
black, 740mm, 31.8mm - 35% off
£69.95£45.49!
View the Easton Haven Alloy MTB Riser Bars
FSA Gossamer Alloy 6061-T6 MTB Stem
31.8mm, 6 Degrees - 33% off
£44.99£29.95!
View the FSA Gossamer Alloy 6061-T6 MTB Stem
Brand-X Road Stem
110mm, Black, 1 1/8", 31.8mm, 162g - 29% off
£14.00£9.99!
View the Brand-X Road Stem
Zipp SL Speed Carbon Road Stem 2018
70mm, 80mm, 100mm, 110mm, 120mm, Black, 31.8mm, 1 1/8", 123g - 28% off
£244.99£175.99!
View the Zipp SL Speed Carbon Road Stem 2018
FSA K-Force Carbon XC MTB Riser Bar
660mm, 31.8mm, Black - 28% off
£167.67£120.95!
View the FSA K-Force Carbon XC MTB Riser Bar
FSA Plasma Compact Carbon Road Bar Stem
31.8mm, Black, White - 26% off
£720.00£533.95!
View the FSA Plasma Compact Carbon Road Bar Stem
FSA SL-K Alloy Stem
31.8mm - 26% off
£89.99£66.95!
View the FSA SL-K Alloy Stem
Easton EA70 Ergo Alloy Road Handlebars
260g, 31.8mm, 40cm, Black, Alloy - 21% off
£79.99£62.99!
View the Easton EA70 Ergo Alloy Road Handlebars
FSA SL-K Compact Road Handlebar
31.8mm, Red, Black, Carbon - 20% off
£219.99£174.99!
View the FSA SL-K Compact Road Handlebar
Easton Haven MTB Stem
31.8mm, 1.1/8", Black, Alloy, 153g - 20% off
£79.99£63.99!
View the Easton Haven MTB Stem
FSA K-Force New Ergo Carbon Road Handlebar
185g, 31.8mm, Carbon - 16% off
£249.99£211.19!
View the FSA K-Force New Ergo Carbon Road Handlebar
FSA Energy Ergo Alloy Road Handlebar
31.8mm, 40cm, Black, Alloy - 16% off
£89.99£75.40!
View the FSA Energy Ergo Alloy Road Handlebar
FSA Gossamer OS-148LX Alloy CNC Stem
100mm, 110mm, 120mm, 130mm, black, 31.8mm - 11% off
£44.99£39.99!
View the FSA Gossamer OS-148LX Alloy CNC Stem
Easton Havoc MTB Stem
31.8mm, 1.1/8", Black, Alloy, 148g - 10% off
£79.99£71.99!
View the Easton Havoc MTB Stem
Easton Havoc Alloy MTB Riser Bar
31.8mm, 20mm, 750mm, Alloy - 10% off
£59.99£53.99!
View the Easton Havoc Alloy MTB Riser Bar
FSA Energy Alloy Road Stem
31.8mm, 6 Degrees, Black - 6% off
£89.99£84.99!
View the FSA Energy Alloy Road Stem
Chromag HiFi V2 Stem
31.8mm, 1.1/8", 40mm, 50mm, Red, Black, Silver, Blue, Alloy, 195g - 0% off
£71.99£71.99!
View the Chromag HiFi V2 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.

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