Hidden from sight and smothered in grease — ball bearings roll!
Tucked away in the bearing races of hubs, headset, pedals and bottom bracket, these little shiny spheres are the hardest-working bits of your bike, allowing moving parts to roll around each other smoothly rather than rubbing against each other, which would cause friction and power loss. Without them your bike simply wouldn’t work.
We take them for granted, but every single one is a minor miracle of creation and engineering.
Esta historia es de la edición June 20, 2019 de CYCLING WEEKLY.
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Esta historia es de la edición June 20, 2019 de CYCLING WEEKLY.
Comience su prueba gratuita de Magzter GOLD de 7 días para acceder a miles de historias premium seleccionadas y a más de 9,000 revistas y periódicos.
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CLASSIC BIKE COLNAGO SUPER
A trailblazing bike immortalised by Merckx and Saronni
"Strava activities are the only way I know some of my friends are still alive"
...or that Bernard is doing his weekly shop
AN EXPERT'S TAKE ON... SADDLE SELECTION
Crucial advice to guide your next purchase
JUST A NUMB#R?
Approaching a landmark birthday, Charlie Graham-Dixon explores how ageing affects cycling performance and what can be done to stay ahead of the curve
RURAL PERIL
More UK cyclists are killed on rural lanes than on busy city streets. Rob Kemp investigates why and what can be done to keep us safe while riding in the countryside
A BLESSED RIDE THROUGH THE FOREST OF BOWLAND
Forgoing cloak, cassock and cross, Trevor Ward goes in search of the holy roads that helped make a Tour winner
Dame Sarah Storey claims road and 19th gold double
More success for Team GB's Paralympians in Paris, but Storey slams women's time trial course
Roglič matches Vuelta win record
Slovenian takes fourth Tour of Spain title after hunting down O'Connor's lead, writes Adam Becket
Williams crowned Tour of Britain champion
Welshman leads home resurgence at the stage race to crown an Israel-Premier Tech clean sweep, reports Tom Davidson in Felixstowe
CLASSIC BIKE CLAUD BUTLER OLYMPIC ROAD
Iconic British brand's Holdsworth-era road bike