GTRO for folding


Choose your folding bike brand. Price may differ depending on a bike.

30-day money-back guarantee.

SKU: 1-2-1-1 Category:


In a package you get:
1. GTRO gearbox (right crank)
2. left crank
3. dedicated bottom bracket
4. shifter with a shifting cable
5. accessories dedicated to your folding bike – if applicable (like in case of Strida)
6. axle bolts and cable ties

Pedals not included.

If your ebike’s brand is not on the list, please email us and we’ll advise if we can deliver a GTRO for your ebike –

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Additional information

Weight 12 kg
Folding bike

Brompton 28T chainring, Brompton 38T chainring, Dahon, Tern, Friday, Mate, Vello, Another folding bike


Black, Silver


Rapid-fire, Twist-grip