Clocks Go Back 25 October – Light Up Your Ride With Autumn Essentials

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System EX

Ride with confidence with System EX. Our System EX range brings together stems, seat posts and platform pedals, selected for quality, durability and dependable performance. Whether you're preparing for race day, refining your daily commute or heading for the trails, you'll find the right System EX kit at a competitive price.

Fast, free UK delivery on orders over £50, plus BIKEPARTS+ points with every order.

Shop by typeBar EndsBar TapesBells, Horns & MirrorsChainringsChainsets & CranksGreaseHandlebarsLocksPedalsPlatform Pedals
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89 products

System EX Alloy Seatpost - Black - 31.6mm
Add to basket – select size
19 sizes
System EX
System EX Alloy Seatpost - Black - 31.6mm£16.73£21.99−24%
System EX Alloy Seatpost - Black - 28.6mm
Add to basket – select size
19 sizes
System EX
System EX Alloy Seatpost - Black - 28.6mm£16.73£21.99−24%
System EX DP550 - 9/16" BIKEPARTS+
System EX
System EX DP550 - 9/16"From £14.49£16.99−15%
System EX Alloy Seatpost - Black - 26.0mm BIKEPARTS+
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19 sizes
System EX
System EX Alloy Seatpost - Black - 26.0mm£16.73£21.99−24%
System EX Adjustable Stem 25.4 - Black - 90mm
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3 sizes
System EX
System EX Adjustable Stem 25.4 - Black - 90mm£23.65£34.99−32%
System EX
System EX Seatpost Clamp - Black - 34.9mm£3.96£4.99−21%
System EX Alloy Seatpost - Black - 29.8mm
Add to basket – select size
19 sizes
System EX
System EX Alloy Seatpost - Black - 29.8mm£16.73£21.99−24%
System EX Ahead Stem 31.8 - Black/Silver - 35deg - 90mm
System EX
System EX Ahead Stem 31.8 - Black/Silver - 35deg - 90mm£18.49£24.99−26%
System EX Ahead Stem 31.8 - Black/Silver - 35deg - 70mm BIKEPARTS+
System EX
System EX Ahead Stem 31.8 - Black/Silver - 35deg - 70mm£18.49£24.99−26%
System EX Crankset - Polished - 170mm
System EX
System EX Crankset - Polished - 170mm£64.33£74.99−14%
System EX D5200 - Silver/Black
System EX
System EX D5200 - Silver/Black£35.82£44.99−20%
System EX M500 - Silver/Black
System EX
System EX M500 - Silver/Black£15.74£21.99−28%
System EX Forged Bar Ends - Black - 110mm
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2 sizes
System EX
System EX Forged Bar Ends - Black - 110mm£13.49£17.99−25%
System EX MP650 - Black
System EX
System EX MP650 - Black£16.61£19.99−17%
System EX Alloy Seatpost - Black - 27.0mm
Add to basket – select size
19 sizes
System EX
System EX Alloy Seatpost - Black - 27.0mm£16.73£21.99−24%
System EX Adjustable Riser Stem - Black/Silver
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2 sizes
System EX
System EX Adjustable Riser Stem - Black/Silver£33.49£44.99−26%
System EX Adjustable Stem 25.4 - Black - 110mm BIKEPARTS+
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3 sizes
System EX
System EX Adjustable Stem 25.4 - Black - 110mm£25.99£34.99−26%
System EX Adjustable Riser Stem - Black/Silver - 100mm
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2 sizes
System EX
System EX Adjustable Riser Stem - Black/Silver - 100mm£33.49£44.99−26%
System EX
System EX Seatpost Clamp - Black - 31.8mm£3.96£4.99−21%
System EX Adjustable Stem 31.8 - Black/Silver - 110mm
Add to basket – select size
3 sizes
System EX
System EX Adjustable Stem 31.8 - Black/Silver - 110mm£23.65£34.99−32%
System EX Alloy Seatpost - Black - 25.6mm
Add to basket – select size
19 sizes
System EX
System EX Alloy Seatpost - Black - 25.6mm£16.73£21.99−24%
System EX Alloy Seatpost - Black - 30.2mm BIKEPARTS+
Add to basket – select size
19 sizes
System EX
System EX Alloy Seatpost - Black - 30.2mm£16.73£21.99−24%
System EX Alloy Seatpost - Black - 30.0mm
Add to basket – select size
19 sizes
System EX
System EX Alloy Seatpost - Black - 30.0mm£16.73£21.99−24%
System EX MP650 - 9/16"
System EX
System EX MP650 - 9/16"£16.61£19.99−17%
System EX Ahead Stem 25.4 - Black
Add to basket – select size
5 sizes
System EX
System EX Ahead Stem 25.4 - Black£18.49£22.99−20%
System EX Alloy Seatpost - Black - 26.6mm BIKEPARTS+
Add to basket – select size
19 sizes
System EX
System EX Alloy Seatpost - Black - 26.6mm£16.73£21.99−24%
System EX Adjustable Quill Stem - Black - 100mm 1"
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2 sizes
System EX
System EX Adjustable Quill Stem - Black - 100mm 1"£29.99£39.99−25%
System EX Adjustable Stem 25.4 - Black - 130mm
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3 sizes
System EX
System EX Adjustable Stem 25.4 - Black - 130mm£25.99£34.99−26%
System EX Forged Bar Ends - Black - 85mm
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2 sizes
System EX
System EX Forged Bar Ends - Black - 85mm£13.49£17.99−25%
System EX Cushioned Gel Tape - Black
System EX
System EX Cushioned Gel Tape - Black£13.73£15.99−14%
System EX Cushioned Tape - Black
System EX
System EX Cushioned Tape - Black£11.99£14.99−20%
System EX Security Skewers - Black
System EX
System EX Security Skewers - Black£8.58£9.99−14%
System EX Seatpost Clamp QR - Black - 34.9mm BIKEPARTS+
System EX
System EX Seatpost Clamp QR - Black - 34.9mm£5.05£6.99−28%
System EX J250 Junior - Black
System EX
System EX J250 Junior - Black£7.14£9.99−29%
System EX Adjustable Stem 31.8 - Black/Silver
Add to basket – select size
3 sizes
System EX
System EX Adjustable Stem 31.8 - Black/SilverFrom £22.36£34.99−36%
Autumn Essentials: lights, mudguards and winter kit for darker, wetter ridesShop the collection
Free UK delivery on orders over £50