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First of all: The Allroad recently underwent a model change and, unlike the test bike with Shimano's GRX820 groupset, the 2024 model comes at no extra charge. Because of the 2x crankset, the extra sprocket is less of an issue with this upgrade. The brakes, which require even less operating force, are more of a plus. The endurance geometry remains the same, the position is semi-sporty, comparable to the Merida Silex 700. The weight distribution is neutral to rear-heavy, a seat angle of 73.5 degrees also ensures acceptable seating comfort. The handlebars of the Corratec Allroad C2 are a different story. Similar to the Bulls Machete, you should never keep your arms outstretched off-road; the front wheel hub, grips, shoulders and head are all in line.
That's a bit of a shame, because the handling is so well-behaved and neutral that even gravel newbies should be able to cope well with it. A look at the range of gear ratios and choice of tyres is striking: The full carbon bike is probably not designed for trails and ramps either. Despite 22 gears, neither the lowest nor the highest gear has an extreme gear ratio, but the gradation is fine, just like the rather narrow tyres. If you disregard particularly rough terrain, the only real points of criticism are the cheap brake discs and the wide handlebars: The hand position is too internally rotated and the long shifting travel on the left lever is barely feasible without changing your grip. A softer handlebar with less flare would have secured the podium.
The Allroad has a lot going for it. Thanks to the tyres, gear ratio and moderate position, it rolls really well and feels comfortable for longer on firm roads. The rougher it gets, the more it loses this feeling, and even low tyre pressure doesn't help. A rather civilised top all-rounder, so to speak.
Big comparison: 16 gravel bikes in the test
- 3T Exploro Primo (Tip: sports equipment)
- Bergamont Grandurance Expert >> available here
- Bulls Machete
- Canyon Grizl CF SL 6 AXS (Tip: Test winner)
- Conway GRV 9.0
- Corratec Allroad C2
- Fuji Jari Carbon 1.3
- Giant Revolt Advanced 2 (Tip: All-rounder) >> available here
- Koga Colmaro Extreme >> available here
- Marin Headlands 1 >> available here
- Megamo West 10 >> available here
- Merida Silex 700 (Tip: Offroader)
- Rondo Ruut AL1
- Rose Backroad GRX RX820 (Tip: Test winner) >> available here
- Trek Checkpoint ALR 5 (Tip: Price/performance) >> available here
- VSF Fahrradmanufaktur GX-500 >> available here
Corratec Allroad C2Note & Details
- Note: 2,2
- Price: 2999 Euro
- Weight of complete wheel: 9.72 kilos
- Frame sizes: 47 / 49 / 52 / 54 / 56 / 58 cm (test size greased)
Geometry
- Seat/top/head tube: 500 / 550 / 155.9 millimetres
- Stack/Reach/STR: 593 / 373 millimetres / 1.59
- Stack+/Reach+/STR+: 647 / 565 millimetres / 1.145
- Wheelbase/caster: 1040 / 69.9 millimetres
Equipment
- Drive/gear shift: Shimano GRX 810 (2 x 11; 48/31, 11-34 t.) | Grade: 2.5
- Brakes: Shimano GRX 810 (160/160 mm) | Grade: 1.5
- Tyres: Schwalbe G-One Allround 45-622 (eff.: 38.5 mm) | Grade: 1.5
- Impellers: Zzyzx system wheels
- Impeller weights: 1774 / 2361 grams (front/rear)
Advantages and disadvantages of the Corratec Allroad C2
- Plus: harmonious equipment, good gear ratios, easy handling
- Minus: short warranty, favourable brake discs, wide handlebar flare
