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Tern GSD

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Dave Atkinson

Dave lives at the top of a big hill and his office is at the bottom, so he's all in favour of a helping hand. Plus, e-bikes are fun! He's the editor of ebiketips and one of the founders of EBT's road cycling sister site, He used to work on Cycling Plus and What Mountain Bike back in the day, and he's a former mountain bike bog snorkelling World Champion. Really.


1 year 2 weeks ago

I’ve had my S10 for a couple of months now, the review here is spot on. My normal travel is a 25km round trip into the CBD, for which the GSD is ideal. It’s surprisingly agile, acceleration is on par with city traffic, and carrying capacity is more than ample. As a car replacement is comes closer than any other bike I’ve experienced. Sure it’s an expensive purchase, but the more you use it you discover more ways to use it. No regrets and nothing to complain about.

As a loyal fan of Nexus hubs I had some doubts about the derailleur, but in practice the motor offers so much torque even in Eco mode that downshifting isn’t required much. Mostly I’m using gears 6-10.

1 year 6 months ago

Tern GSD S00 (2019) model.

Since the first time I rode this bike I am unable to wipe the smile off my face. Flying carpet is the closest metaphor which comes to mind.
The difference between the S10 (2018) and S00 (2019) model is the price (it is GBP 1000 dearer), but for that you get:

  • Bosch Performance CX instead the 'standard' Performance motor,
  • Battery with 500 Wh instead of 400 Wh,
  • Enviolo CA (cargo) groupset instead of a Shimano Deore Shadow+ derailleur,
  • Cargo hold panniers.

Is it worth it? Hmm, depends if one can offord it, but would say the closer you get to the 200kg max (bike + rider + load), and the more you are using this bike in a courier / delivery setting, the more it becomes a clear advantagous feature.

In terms of real life use of the GSD, the front wheel lock is not safe secure certified, ABUS has only acquired a Dutch certification for it (2 stars), but compared with gold safe secure locks which have also have a Dutch certification, it is safe to assume that this lock would get a bronze safe secure certification at best. 
This is relevant if you want to insure your bike against theft with a specialist insurer. Having your bike locked to a permanent structure with a safe secure gold rated lock is a pre condition with these insurers, when you are out and about.


Trying to answer the questions Becky has raised:

1. No, but keep in mind the limit of 200kg in total (bike + rider + load). The maximum rider weight is 120 kg btw. Taking the weight of the bike out of the equation, 162 kg are the maximum.
More detailed information, especially in terms of transporting children and cargo can be found on the tern website in the support section: 'A Guide for Carrying Passengers and Cargo'.

2. No it is absolutely not, it is solid.

Cheers, Eckhard.


1 year 7 months ago

Dave I really liked your review. Couple of questions

1. I want to put kids on the back of mine, should I be worried about the fact that the frame is aluminium and not something stringer?

2. Does the fact that the stem (?) flips down, will that be inherently weaker, slightly wobbly at that point?

Also, please can you review and XtrCycle Edgerunner? These are the 2 I am thinking about buying the GSD or the Edgerunner (not that I can find anywhere in UK that sells at Edgerunner)

thanks v much, Becky 

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