Special Articles

Published: 2020-05-01 | Jarno Bierman

We tested the Tubolito tubes against a selection of other tubes Read Article

Published: 2020-04-17 | Jarno Bierman

A simple overview of our most recommended road bike tires Read Article

Update: 2019-10-11 | Published: 2019-07-12 | Jarno Bierman

Endurance test of a pair of Grand Prix 5000 with measurements every 620 miles / 1000 km Read Article

Published: 2019-02-19 | Jarno Bierman

Comparison between a 23, 25, 28, and 32 mm Continental Grand Prix 5000 Read Article

Published: 2018-6-12 | Jarno Bierman

Comparison between a new and a worn Continental Grand Prix 4000S II Read Article

Published: 2015-10-31 | Jarno Bierman

Rolling resistance comparison of tubeless and tubed fat bike tires Read Article

Published: 2015-12-04 | Jarno Bierman

Rolling resistance comparison between a 32, 37, 40 and 47 mm Schwalbe Marathon Read Article

Published: 2015-02-26 | Jarno Bierman

Rolling resistance comparison between a 23, 25 and 28 mm GP4000S II Read Article

Published: 2014-11-24 | Jarno Bierman

The complete guide: Tubeless vs light tubes vs latex tubes vs standard tubes Read Article

Published: 2014-07-25 | Jarno Bierman

All you need to know about the rolling resistance of inner tubes and tubeless setups. Read Article

Published: 2014-10-15 | Jarno Bierman

How much does adding tubeless sealant to road bike tires influence rolling resistance? Read Article

Published: 2015-01-02 | Jarno Bierman

Rolling resistance of a Panaracer R'Air inner tube and other inner tubes Read Article