Are Steel MTB Frames ACTUALLY Flexy? | Starling Cycles

Mountain bikers spend a lot of time talking about the "flex" of steel mountain bike frames. They say that they can feel the frame flex on the trail, that steel is more compliant, that frames twist in corners, or feel like spaghetti. But is it actually true? Does a steel frame flex more than a carbon fibre one? We decided it was time to put it to the test and setup our own VERY scientific test at the Starling Worskshop. You might be surprised with the results! More about Starling here: https://www.starlingcycles.com/ Thanks to Friction Cycles, Bristol for the loan of the Nukeproof Film/edit by Jamie Edwards Additional footage thanks to Innes Graham CONTENTS 00:00 Intro 00:58 The test setup 05:07 Testing Wheel stiffness 07:40 Carbon frame test without shock 10:35 Carbon frame test with shock 11:57 Our Starling Murmur test frame 12:17 Steel frame test without shock 13:30 Steel frame test with shock 14:35 Something else is going on... 15:46 And the results