Road framesets
Carbon road framesets with disc brakes and a threaded bottom bracket. Aero, climbing or all-round: the right frame depends on where you ride fast, then on the drivetrain and handlebar you plan to fit.
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Aero or climbing: where the watts are won
Uphill, you pay for weight; on the flat, you pay for air. At 6% and 15 km/h, every kilo you lift costs about 2.45 W: 200 g less frame is worth only half a watt. On the flat, the power the air demands rises with the cube of speed. The WinSpace M6 saves 8.9 W at 48 km/h according to the brand; at 35 km/h, about 3.5 W remain. It is a frame for a fast bunch. The Evolve CIMA refuses to choose: 650 g unpainted in size M and a shape validated in the wind tunnel. The WinSpace SLC5 plays the all-rounder: 705 g unpainted in M, and more than 13 W saved at 48 km/h over the previous generation, according to WinSpace.
Check the drivetrain before the frame
A frame with fully internal cable routing sets its own rules. The SLC5 only takes electronic groupsets: Shimano Di2, Campagnolo EPS or SRAM eTap. The CIMA takes Shimano, SRAM and Campagnolo WRL electronic groupsets, but not EPS, whose battery does not fit inside the frame; on the other hand, it takes a chainring of up to 58 teeth. All three framesets come with a Di2 battery mount. If you are keeping an existing groupset, check its compatibility on the product page first.
The handlebar and the tyre, to plan for the build
No frameset includes the handlebar: the cables run through the frame and the headset, so you need an integrated handlebar. The HYPER 2 Riser fits as it is on recent WinSpace frames, and the CIMA's top cap is designed for the Kreuza Apex. As for tyres, all three frames stop at 32 mm, and the actual width depends on the rim. In Pirelli's measurements, 2 mm more rim gives about 1 mm more tyre: a 32 mm reaches 33 mm on a rim with a 23 mm internal width. On a frame limited to 32 mm, check the measured width of the tyres, not just the one printed on the sidewall.
Frequently asked questions
What tyre width fits a carbon road frame?
Up to 32 mm on the three frames in our selection. The actual width depends on the rim: a 32 mm tyre can measure a millimetre more on a wide rim.
Is a carbon frame fragile?
It handles the loads it is designed for very well, but it doesn't like point impacts and overtightening. Every bolt is tightened with a torque wrench, and a frame that has been in a crash is checked before it is ridden again.
Aero frame or climbing frame?
Aero if you ride fast on the flat or in a bunch, where the air takes most of the effort. Climbing if you ride mostly in the mountains, where every kilo costs you. A versatile frame like the SLC5 covers both.