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Recumbent gearing calculator

Wheel diameterWheel size:
Front chainring(s): Crank length:
Front transmissionNone:
Schlumpf DriveMountain-Drive:     Speed-Drive:     HighSpeed-Drive:
Pinion gearboxP1.12:     P1.18:
Efneo GTRO (3-speed):
Rear cassetteCassette:
- 		Raw gear: -
~=170mm: -

SRAM 3x7 / Dual-Drive: -
~=170mm: -
14-sp Rohloff Speedhub 500/14Cog: -
~=170mm: -
7-8sp InternalCog: SRAM S7: -
Shimano Nexus-7: -
Shimano Nexus Inter-8: -
Shimano Alfine-11: -
Nuvinci N360: -
Sturmey: -
Single-speed: -
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RideAtaxia NorCal 2016 comes to Winters
Friedrich's ataxia awareness

Come out and support the Kyle Bryant and The Ataxians for Ride Ataxia's SEVENTH annual fundraiser to raise money for research to cure Friedrich's Ataxia. This year, the ride begins and ends in Winters, CA (not Davis).

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Catrike Dumont Update: Availability and front-suspension retrofit
Front view of Catrike Dumont full-suspension trike showing front suspension

Front suspension non-interchangeability with other Catrike recumbent trike models, and update on Dumont full-suspension rollout timing.

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Pannier rack top-bag adapter for ICE 26" suspension recumbent trikes
Top bag carrier for ICE 26" rear suspension racks

ICE is now producing an adapter to allow top-bags to be mounted above the wheel of 26" rear suspension recumbent trikes. Other uses include electric-assist battery mounting.

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Ti-FLY action video | full-suspension recumbent trike
Azub Ti-FLY action shot of left side front suspension from front

Front suspension of Azub Ti-FLY full-suspension recumbent trike action video shows independent suspension action and then slow-motion (slow-mo) rewind.

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