1.0MTB-MAG.COMhttps://www.mtb-mag.com/en/Alex Boycehttps://www.mtb-mag.com/en/author/alex-boyce/rich600338<blockquote class="wp-embedded-content" data-secret="X5AC8H7ZwO"><a href="https://www.mtb-mag.com/en/pinion-gear-box/">Pinion Gear Box</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.mtb-mag.com/en/pinion-gear-box/embed/#?secret=X5AC8H7ZwO" width="600" height="338" title="“Pinion Gear Box” — MTB-MAG.COM" data-secret="X5AC8H7ZwO" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(c,l){"use strict";var e=!1,o=!1;if(l.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=0;o<n.length;o++)n[o].style.display="none";for(o=0;o<i.length;o++)if(r=i[o],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=l.createElement("a"),a=l.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,a.host===s.host)if(l.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=l.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> https://www.mtb-mag.com/wp-content/uploads/2014/08/MG_46381.jpg15001000It seems the gear box idea just wont go away and Pinion are at Eurobike in force with their P1 gear box which consists of 18 gears. The system needs a special frame and means you dont need the standard chain system, it can even be done with a belt drive. Is it simpler? We are not sure, we tried to understand how the shifting system works and as far as we can tell the engagement of the gears is controlled by a system of unseen control ways within the shafts of the opposing pinions. However due to the secretive