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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.
ICE VTX review
ICE VTX at rest

Not just the Formula One of recumbent trikes

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High-tech rim tape saves weight / fingers
High-tech rim tape stretches just enough to engage the rim.

Experimental bicycle rim tape passes first longevity test. High-tech film and adhesive combine in a rim-tape that saves weight, money, and fingers (by making tire removal easier).

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ICE Adventure trike models more affordable with 24-speed drivetrain

ICE Adventure trikes get a price reduction with 24-speed entry-level components package. ICE also makes some standard features such as parking brakes optional for more cost savings.

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Cool riding Ventisit cushion relieves Terratrike seat hotspots
Ventisit seatpad covers the hotspot at the front corner of a Terratrike seat

Ventisit seatpad cushions Terratrike seat hotspot. Airflow through high-tech material improves evaporation of sweat so riders ride cooler.

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