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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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Owner-customized HP Velotechnik StreetMachine GTE uses wide-range 11-speed cassette, inverse-mounted trigger-shifters, hydraulic brakes, air shock with lockout switch, and more.

Bobby V has built up his StreetMachine from a framekit.

Check it out:

Inspired Cycle Engineering shows recumbent trikes, recumbent apparel / jersey, re-designed rack, racktop structure accommodating 26" rear wheel, and battery mounting support for electric-assist future.

Greenspeed is developing a new trike platform to replace its GT1, GT3, and GT5 series of folding recumbent trikes for 2016. The new platform (currently known only as "GT20") was shown publicly complete with test rides of a prototype at the Recumbent Cycle Con convention in Cincinnati.

We have updated our online gearing calculator to do calculations for the Pinion P1.12 and P1.18 gearboxes.

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