2021 Cannondale Mens Topstone 4 Gravel Bike
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The 2021 Cannondale Men's Topstone 4 Gravel Bike is named after a favourite dirt road loop near the Cannondale headquarters in Connecticut. Topstone is pure gravel goodness with high-volume tyres, confident rider position and sporty handling, it is ready to smash out big miles on the backroads, explore routes less travelled, or smooth out the chop on your morning commute.
The Topstone has a similar ride position to Cannondale's Synapse endurance road bikes. It is designed to give confident handling and be comfortable for long hours in the saddle while still feeling sporty and responsive. The OutFront geometry is borrowed from Cannondale's mountain bikes to give great stability at speed on loose surfaces, and agility when the going gets really touch.
With room for 42mm tyres, the Topstone can handle the roughest roads and tracks while the mounts for three water bottles, plus mounts for top tube storage and room for big frame bags set you up for big remote trips.
This bike is perfect forRiders who want a super reliable gravel bike that will go for hundreds of miles and won't cost a fortune to maintain and keep running. As the bike is all set-up for 11 speed if you do want to upgrade it should be pretty simple.
Key FeaturesBig tyre clearance – up to 42mmConfident riding position that still feels sportyFull carbon forks for a light, comfortable and precise-steering front end.Mounts for three water bottles, plus mounts for top tube storagemicroSHIFT groupsetmechanical disc
If you are buying a road bike one of the big differences between models will be which gears they use. Most manufacturers will make the same bike, using the same frame but putting different gears and wheels on it. So for instance you can buy a Trek Domane AL 2 Disc with Shimano Claris gearing for £975 or get the Trek Domane AL 4 Disc with Tiagra gearing for £1625. They are fundamentally the same bike. One comes with the Shimano Tiagra gears and the other comes with Shimano Claris gears.
In most cases, the bottom of the range gears and top of the range gears will basically work in the same way. The big differences are in the quality of material used and the weight. Top of the range gears will be lighter and smoother to use.
One thing to watch out for when comparing bikes is whether the full groupset is being used. If you are buying a bike that has Shimano 105 gears on it. Shimano makes 105 brakes, gear levers, front and rear derailleurs, cranks, chainrings and bottom brackets. So basically all of the running gear on the bike. Some bike manufacturers will fit the full groupset, others will fit Shimano 105 front and rear derailleurs but use their own brakes and cranks to save a few pounds. So if you are comparing bikes be sure to check how much of the groupset the bike actually uses.
Read our Guide to Road Bike Gears
Road Bike Buying Guide
Nothing beats the feeling of effortless speed you get on a road bike. There are lots of reasons to ride a road bike, from the simple joy of it, to racing, long distance challenges, or café rides with friends. Whatever you want to do there will be road bike out there for you.
Men’s and Women’s road bikes
Nearly all manufacturers have stopped making dedicated men’s and women’s bikes. They are now all unisex. What you will see is that on smaller bikes, brands will often fit a wider saddle (generally more female friendly). On larger bikes they will often fit a narrower one (generally more male friendly).
Disc or rim brakes
It is getting increasingly hard to buy new bikes with rim brakes as the industry has almost exclusively switched to discs. The reasons for this are pretty simple. Disc brakes are much, much, more powerful than old rim brake systems so you can stop a lot more easily and safely. Disc brakes also allow much bigger tyres to be fitted which is more comfortable. Older disc brake systems did often suffer from rubbing and squeaking. While this hasn’t been completely fixed yet it is much less common on modern bikes with hydraulic brakes. Mechanical disc brakes can still take a bit of fettling to get them right so go for hydraulic if you can.
Read our full road bike buying guide
Cannondale are not keen on rules. Cannondale think outside the box and it has led to some of the most innovative bikes ever made. They were one of the pioneers of aluminium and carbon bike frames and were one of the first brand to introduce these materials into both professional racing and production bikes. Leading to their famous 'Legalize My Cannondale' ad campaigns after their innovations took their bikes below the official weight limit for pro racing.
Cannondale have led the development of technology in mountain bike suspension for years and have unique suspension designs, such as the Lefty, which only they use. Cannondale‘s commitment to innovation means they do things their own way. When you buy a Cannondale bike you will be getting something a little bit special and different from everyone else.
Cannondale have won awards for the 2020 CAAD13 and SuperSix Evo Road Bikes. Despite the alloy frame, the CAAD13 competes with a carbon road bike on every level but the price. SuperSix EVO is an evolution of Cannondale’s classic race machine. Adding more aero profiling, and a system integrated design to reduce drag.
Cycles UK is one of the leading Cannondale dealers in Essex, Kent, Hertfordshire and London. We stock a wide range of Cannondale road, mountain and electric bikes online and in our stores.
| Frame | SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts |
| Fork | BallisTec Full Carbon, 1-1/8" to 1-1/4" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru axle |
| Rear Shock | Null |
| Rims | RD 2.0, 28h |
| Hubs | (F) Formula alloy, 12x100mm / (R) Formula alloy, 12x142mm |
| Spokes | Stainless Steel, 14g |
| Tires | WTB Riddler Comp, 700 x 37c |
| Pedals | Not included |
| Crank | Prowheel, 40T |
| Bottom Bracket | Cartridge, square taper |
| Chain | KMC X10, 10-speed |
| Cassette | microSHIFT, 11-48T, 10-speed |
| Front Derailleur | Null |
| Rear Derailleur | microSHIFT Advent X |
| Shifters | microSHIFT Advent X, 10-speed |
| Handlebar | Cannondale 3, butted 6061 alloy, 16 deg flare drop |
| Grips | Cannondale Bar Tape, 3.5mm |
| Stem | Cannondale 3, 6061 Alloy, 31.8, 7° |
| Headset | Integrated, 1-1/8" - 1-1/4" |
| Brakes | Promax Render R mechanical disc, 160/160mm rotors |
| Brake Levers | microSHIFT Advent X |
| E-Bike Display | Null |
| E-Bike Battery | Null |
| E-Bike Charger | Null |
| E-Bike Drive Unit | Null |
| Saddle | Cannondale Stage CX |
| Seatpost | Cannondale 4, 6061 Alloy, 27.2 x 350mm |
| Speeds | 9 |
| Chain Device | XS, SM, MD, LG, XL |
| Connectivity | Null |
| Wheel Size | Null |
| Extras | 700c |
Please note: Manufacturers can sometimes change the specification of the products from time to time.
| Colours | Alpine, Black Magic |
| Sizes | MD, SM, XL, XS |
| Brand | Cannondale |
| Model Year | 2021 |
| Barcodes | 884603839423, 884603839430, 884603839447, 884603839454, 884603839461, 884603919965, 884603919972, 884603919989, 884603919996, 884603920015 |
| SKUs / Part Numbers | C15801M10LG, C15801M10MD, C15801M10SM, C15801M10XL, C15801M10XS, C15801M20LG, C15801M20MD, C15801M20SM, C15801M20XL, C15801M20XS |
| Size | Rider Height (CM) |
| XSmall | 152 - 165 |
| Small | 162 - 175 |
| Medium | 170 - 185 |
| Large | 180 - 193 |
| Xlarge | 190 - 203 |
Why buy from Cycles UK?
We Deliver
You can choose how to receive your new bike. You can click and collect from our stores, pick a fast courier delivery or premium hand delivery. Whichever option you choose your bike will be fully assembled and checked by one of our experienced mechanics.
Price Promise
We regularly check our prices against our competitors to ensure that you are getting a good deal. If you find an item cheaper within seven days of purchase, just let us know and ask us to match the price.
Free Insurance
Cycles UK provides 14 days of free insurance on all new bikes sold to UK customers. As part of our service, your new bike is automatically covered with 14 days’ FREE insurance against theft and accidental damage.
Comfort Guarantee
Opinions of contact points such as saddles, shoes and grips can vary a lot between different riders. If you buy a contact point from Cycles UK and you don’t find it comfortable, you can return it within 30 days, and we’ll swap it for something else.
Cannondale Road Bike Size Guide
| Cannondale Synapse | |
| Frame Size | Rider Height (CM) |
| 48cm | 157 - 167 |
| 51cm | 165 - 175 |
| 54cm | 170 - 180 |
| 56cm | 175 - 185 |
| 58cm | 182 - 193 |
| 61cm | 190 - 203 |
| Cannondale SuperSix Evo | |
| Frame Size | Rider Height (CM) |
| 48cm | 160 - 170 |
| 51cm | 165 - 175 |
| 54cm | 170 - 180 |
| 56cm | 177 - 185 |
| 58cm | 182 - 193 |
| 60cm | 187 - 198 |
| 62cm | 195 - 205 |
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