Want a fast, high-performance modern carbon frame? In that case the new RT57 frame is the perfect basis for your next carbon race bike.
Like our flagship N2A and Mondo models, the RT57 boasts bang up-to-date features like a tapered steerer tube and BB30 bottom bracket. "Sounds like buzzwords to me!" you say. Well there are solid bike-improving reasons for these ideas
A tapered steerer stiffens up the whole front end of the bike, improving handling at speed and through corners. And here's a tech secret other manufacturers won't tell you when they're blathering on about how smooth the inside of their carbon frames is: a large lower headset makes it easier to pull out the silicone mandrel used to mould the frame and get that smooth internal finish.
It also makes for a larger down tube and the BB30 bottom bracket helps at the other end too, improving the torsional rigidity of the frame and increasing its stiffness against pedalling.
What it all adds up to is a quick, stiff road frame suited to fast rides and racing on quick, twisty courses. It eats hills for breakfast and your mates for lunch and dinner!The RT57 will be available in four delicious colour schemes: Fluoro Yellow with Green; Matt Black with Red; White with Blue; and White with Red.
To get a spot-on fit, the RT57 is available in six sizes from XXS to XL, and because we've made it in a wider range of fittings, we've gone for a more traditional look with only a gentle slope to the top tube.
A carbon fibre frame with these features would cost you quite a bit more from lesser bike manufacturers, but thanks to us you know you're always getting the best price for the best kit.
|Approx. Frame Weight (g)||999g|
|Approx. Fork Weight (g)||TBC|
|Frame Material||Mitsubishi High Modulus Carbon Fibre|
|Fork Material||Mitsubishi High Modulus Carbon Fibre|
|Seatpost Size (mm)||31.6 mm|
|Seat Clamp Size (mm)||34.9|
|Front Mech Clamp Size (mm)||34.9|
|Brake Type||Caliper only|
|Wheels||700C with clearance for 24 mm tyres|
|Bottle Cage Bosses||2 sets (1 on XXS)|
|Suggested Rider Weight Limit||100kg|
|Bottom Bracket Type||BB30|
|Headset Type||FSA C-40 Integrated Headset (Not Included)|
|A||Head Angle (°)||71.3||71.3||72||72.5||73.5||73.5||73.5|
|B||Headtube Length (mm)||105||110||115||135||150||170||190|
|C||Effective TT (mm)||520||525||537||543||555||570||582|
|D||Seat Angle (°)||74.8||74.3||74||74||73.5||73.5||73.5|
|E||Centre to Top (mm)||480||500||520||540||560||580||600|
|Rider Height||Frame Size|
|5' 3'' to 5' 6''||XXS (48)|
|5' 5'' to 5' 7''||XS (50)|
|5' 7'' to 5' 9''||S (52)|
|5' 9'' to 6' 0''||M (54)|
|5' 10'' to 6' 1''||L (56)|
|6' 1'' to 6' 4''||XL (58)|
All frame size recommendations are approximate. A good fit will also depend on the correct choice of stem length, correct bike set-up for the rider and riding style.
Correct frame size choice can vary greatly with riders' torso length. If you have longer legs and a shorter torso, go for a slightly shorter stem. If you think you are borderline between sizes, and you have longer legs and a shorter torso, go for the smaller frame size. If you have shorter legs and a longer torso, go for the larger frame size to get the extra top tube length.
As the frame sizes increase, so does the length of the head tube. If you are inflexible or perhaps have a history of back problems, consider going for a larger frame size. This will increase the relative height of the handlebars making the position less “extreme”. The larger frame will also have a longer top tube, so you’ll need to compensate for this with a shorter stem.
Frame very good, but cable guides threaded through the frame were so badly crushed and warped (from clumsy insertion?) that they were unusable. Threading cables therefore very difficult and time consuming.
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