The two Rockys don't look like twins with common roots. While the Altitude 70 focuses on classic values, the RSL looks like a spaceship from distant galaxies. Fat carbon fibre tube constructions plus playful detail solutions delight the eye of the beholder. The cables disappear into the top tube, the seat clamp does not need a clamp and even the rocker for the shock linkage has an organic shape - thanks to carbon fibre. In contrast, the aluminium model looks very conventional. Apart from the frame material, the technical changes are very small. The geometry and damper linkage are almost identical and both roll to the customer with identical equipment. The choice of tyres is particularly striking: The 2.4-inch Mountain King tyres from Continental offer plenty of grip and, in the tubeless version, excellent puncture protection. An all-mountain bike like the Altitude is therefore well equipped for all routes.
The relaxed riding position was very pleasing. Thanks to the steep seat angle, the Altitude climbs confidently uphill - downhill, thanks to the high cockpit, safety and riding enjoyment increase. We were surprised by the less sensitive rear suspension. It seems a little over-damped, effectively protecting against big bumps, but transmitting small, quick bumps directly to the spinal cord. Without a platform, it bobs noticeably.
In a direct comparison of technology, the carbon model is definitely ahead. It looks more valuable and has nice details. The weight saving is 250 grams and the frame is really stiff. Whether these advantages are worth a price premium of 800 euros is up to each customer to decide for themselves. For us, the bottom line is a clear draw.
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