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Blending the norm between all-out road and mountain bikes, gravel bikes give a much wider range of versatility, making them perfect for the multi-discipline cyclist. These durable adventure bikes feature rugged construction and a stable, comfort-orientated geometry to make them at home both on and off-road.
We are sure that you will find the best gravel bike for heading off road here at Sigma Sports, so check out our line up to discover the latest epic gravel bikes and framesets from brands such as Trek, Cannondale, Specialized, Argon 18 and many more. Unsure on gravel bike size? Read our guide.
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Versatile Adaptability: GREVIL F9 accommodates any wheel or tire combination, providing freedom for diverse terrains and pushing performance limits.
Aerodynamic Focus: The design emphasis on aerodynamics and rigidity ensures every watt saved brings you closer to victory.
Optimized Geometry: From modified fork angles to increased seat tube angles, the GREVIL F's geometry prioritizes handling, comfort, and wheel clearance for an unparalleled riding experience.
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New Gravel Race geometry optimizes aerodynamics and comfort for long rides.
Ultra-light 800 Series OCLV Carbon frame reduces road chatter to save energy.
Multiple mounts for Adventure Bags to carry all your race-day essentials.
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Versatile Gravel Riding: The Topstone Alloy is designed for adventure, offering a comfortable ride, confident handling, and up-for-anything capability on any road.
SmartForm C2 Alloy Construction: Experience a light and lively feel with Cannondale's expertise in aluminum craftsmanship, showcased in the SmartForm C2 Alloy construction of the Topstone.
Out-Front Steering Geometry: The bike combines confident stability with nimble agility, ensuring a light and lively steering feel for unmatched confidence at speed and in challenging terrains.
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Pay in full or spread the cost
Finance & cycle to work available
Pay in full or spread the cost
Finance & cycle to work available
Pay in full or spread the cost
Finance & cycle to work available
Wheelset: Velomann Terbium, Carbon, Rim Height: 30 mm
Groupset: Shimano GRX 820
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Frame: Specialized E5 Premium Aluminum with D'Aluisio Smartweld Technology
Brakes: SRAM APEX Hydraulic Disc
Tires: Pathfinder Pro 2BR, 700x38
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Cervélo All-Carbon, Tapered Aspero Fork
Fulcrum Rapid Red 300 wheelset, tubeless compatible
Shimano GRX, RX820
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Advanced Suspension: Future Shock 1.5, FACT carbon fork
High-Performance Drivetrain: SRAM Apex Eagle 12-speed
Versatile Wheelset: AXIS Elite Disc, Pathfinder Pro 2BR
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Pay in full or spread the cost
Finance & cycle to work available
Pay in full or spread the cost
Finance & cycle to work available
Featherweight Build: Crux is the world's lightest gravel bike with groundbreaking 725g (12r) and 825g (10r) frames, inheriting Aethos' weight-saving breakthroughs.
Generous Tire Clearance: Boasting 47c/650b x 2.1” tire clearance, the Crux excels with Diverge-level versatility, empowering riders to explore any terrain at full speed.
Dynamic Responsiveness: Nimble, supple, and responsive, the Crux offers a dream-like climbing experience, effortlessly floating over challenging terrains, thanks to its performance gravel geometry.
Tailored Geometry Options: Available in various sizes (49, 52, 54, 56, 58, 61), Crux provides a personalized fit with stack, reach, and other geometry specifications catering to diverse rider preferences.
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Finance & cycle to work available
Pay in full or spread the cost
Finance & cycle to work available
Pay in full or spread the cost
Finance & cycle to work available
Pay in full or spread the cost
Finance & cycle to work available
Cervélo All-Carbon, Tapered Aspero Fork
WTB Vulpine TCS Light Fast Rolling Dual DNA 60tpi 700x40c tire
Shimano GRX, RX822, 12 speed rear derailleur
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Swift and adaptable multi-surface racing machine
Enhanced clearance for tires and chainrings, supports 650b wheel compatibility
Streamlined cable management and increased mud clearance
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Cervélo All-Carbon Aspero: Precision gravel bike.
Alexrims Boondocks 7D wheelset: Lightweight and durable.
SRAM Apex 1: Reliable shifting and power transfer.
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All gravel bikes are designed for riding off road with the same priority in mind: to keep you riding comfortably and quickly over mixed terrain and rough trails. However, all gravel riders know that even the slightest difference in specification could affect their overall experience in the saddle.
The sheer variety of adventure bikes can feel quite overwhelming, especially if you're buying your first bike for gravel riding. It's a good idea to keep a few key features in mind.
One of your first tasks is to choose between an adventure bike with aluminium frame or a carbon fibre frame, built for off road riding. All have their advantages and it's likely that you'll see them all on group rides too.
Generally, riders agree that aluminium gravel frames are slightly more robust and hard-wearing than their featherweight counterparts. In many cases, they also make a more cost-effective option for tackling rough terrain, so they're more accessible for those new to the niche and gravel adventures.
Carbon gravel bikes are lightweight and nimble, chosen by professional teams for their responsive feel and impressive manoeuvrability. Carbon gravel models like the Specialized S-Works Diverge and Diverge STR the carbon Cannondale Topstone frequently appear in the pro gravel peloton.
Gearing determines how easily you can summit even the steepest climbs on the trails. Gravel bikes typically come with groupsets manufactured by Shimano or SRAM, both equally strong contenders when it comes to high-quality, reliable gravel components for your bike.
Groupsets usually include:
Bottom bracket
Brake rotors, for disc brake bikes
Chain and cassette, which must be compatible
Chain set, including crank arms and chainring
Front and rear derailleurs (often called mechs)
Front and rear brake callipers
Gear shifters and brake levers (integrated on drop-bar bikes)
The best groupset for your gravel bike will depend on your riding style and goals, plus the type of terrain you'll be exploring. GRX is Shimano's gravel-specific offering but many gravel bikes harness the wireless technologies found in SRAM eTAP options like Force AXS. If you'd like to know more about the distinctions between each groupset, we're here to help.
Beyond gearing adventure bikes usually feature disc brakes which provide controlled stopping power on technical terrain.
You'll see two size options for the wheels on your gravel bike.
Plenty of small gravel bike models come with smaller 650b wheels fitted as standard. These wheels increase the tyre clearance between your frame and wheels, meaning that you can use a wider tyres. If you're planning rugged adventures on rough terrain and muddy conditions, this size could be perfectly suited.
Most gravel bikes are designed with 700c wheels, the same size as the wheels on a road bike. Riders say that these feel more responsive and have less rolling resistance, which could make them a better option if you'll be riding on pavements, cycleways and smooth trails - or like to commute by bike.
Flat bar gravel bikes combine the ruggedness of gravel bikes with the comfort of flat handlebars more accustomed to hybrid bikes. Gravel bikes with flat bars are designed for mixed-terrain cycling, offering stability on rough trails and efficiency on paved roads. Flat bar gravel bikes are ideal for riders seeking a balance between off-road capability and everyday usability, often feature a more upright riding position than other gravel bike types.
With 30 years of experience, we're here to help you find the best gravel bike for your needs. We have gravel bike options from the likes of Trek, Orbea and GT, all brands who pride themselves on making bikes for off road adventures.
Our comprehensive online experience is backed with a friendly, professional service from our in-store experts. We offer a free bike buying consultation to match you with a suitable gravel bike model, no matter your experience or goals in cycling. We also offer 0% finance on various gravel bikes.
At our workshop, we provide tailored tweaks and repairs to ensure that your new bike is fine-tuned to your preferences, with options to tweak the setup, whether that is a different pedal type or upgraded set of handlebars.
When you buy a gravel bike with us online, you can rest assured that it will arrive quickly, safely and ready to ride. Alternatively, you can browse the selection online before you reserve and collect your favourite.
We're happy to help answer any questions you might have about your new gravel bicycle. You can get in touch online, via WhatsApp or by using our contact form.
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