The raceface atlas am chainset is designed for 4 6 travel bikes the atlas am crank is engineered for riders that want a crank they can ride virtually anywhere sharing many design amp style features from our original deus crank the atlas crank is designed specifically for all mountain bike riding if you want a crank that39s light enough for xc climbs but strong enough for light freeride use the atlas crank is the perfect choice raceface atlas am chainset features a true all