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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: -
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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.

Sun-seeker showed a new full-suspension "Fat" trike at Interbike.

The display model was just that. We did not get a chance to actually ride it, but did spend some time examining it and asking questions.

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