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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 500/14 Cog: -
~=170mm: -
3x3 NINE Cog: -
~=170mm: -
7-8sp Internal Cog: SRAM S7: -
Shimano Nexus-7: -
Shimano Nexus Inter-8: -
Shimano Alfine-11: -
Nuvinci N360: -
Sturmey: -
Single-speed: -
© 2003-2024 Hugh Kern, All rights reserved.
Getting the job done right

It was a good trike when I brought it to you, but now it is amazing.

The professional manner in which you treated me and the skill level shown on working on the trike was exemplary. I came to ask about upgrading the trike and I left with it all done.

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Learning and choosing versus being sold

Thank YOU - for helping me learn & choose rather than SELLING me a trike.

 See you next Thurs. P[HP Velotechnik, Pedelec]
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Easy choice

I researched this for years before buying the ICE Sprint. In the end, it was an easy choice. --DW

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Got the right trike
Hugh: Thank you very much for helping me get onto the right trike for me. I am quite pleased with the upgraded version of my Terratrike and I have been able to already make 3 different runs in excess of 10 miles each round trip.
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