We're back with another GCN Tech Clinic with Jon answering your tech-related comments. This week he discusses crank lengths, replacing a bottom bracket and a few different questions on gear ratios.
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Jon covers lots more in the Clinic this week including questions around cleaning and regreasing headset/BB bearings, using non-round chainrings and their shifting performance and also changing from a 23mm to a 25mm tyre.
We hope you managed to learn some valuable tech knowledge this week and remember to keep your questions coming in for Jon using #askgcntech. 👇
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Watch more on GCN Tech...
GCN Tech Show Ep. 38 📹 http://gcntech.co/show38
Music: Epidemic Sound
Lampshades - Guustavv
Photos: © Velo Collection (TDW) / Getty Images & © Bettiniphoto / http://www.bettiniphoto.net/
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Crank Lengths, Replacing Your Bottom Bracket & Gear Ratios | Gcn Tech Clinic