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The Specialized Stumpjumper was the first mountain bike to be mass-produced. However, the big bang for the Stumpjumper line was well over 30 years ago. Over the course of time, the original hardtail without suspension fork has become an all-mountain with 150 millimetres of suspension travel. The asymmetrical design of the frame is an eye-catcher, but not the reason why we wanted to test the Stumpy in continuous use. The Stumpjumper has been part of our group tests numerous times. Even though it has never won a test, one fact in the data sheet of all Stumpjumpers has always stood out: at just 2106 grams, the carbon frame without shock (in size L) is one of the lightest all-mountain frames on the market. The competition made of carbon is usually around 500 grams heavier. Aluminium frames for the same range of use sometimes even weigh a kilo more. Can such a lightweight frame cope with tough off-road use?
Our volunteer Adrian weighs 80 kilos and has spared no effort to answer this question. Everyday use on the challenging mountain bike trails around Adrian's former home of Fribourg did not harm the Stumpy. And even after visits to the Todtnau bike park and in Lenzerheide, there was no recognisable problem with the frame of the test bike.
You can find the detailed endurance test of the Specialized Stumpjumper Comp Carbon from BIKE 11/2020 as a PDF in the download area below.
The test costs 0.99 euros. Why not free of charge? Because quality journalism has a price. In return, we guarantee independence and objectivity. This applies in particular to the tests in BIKE. We don't pay for them, but the opposite is the case: we charge for them - hundreds of thousands of euros every year.
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Adrian Kaether
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