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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.
Recumbent Tandem Rider Magazine goes online
Front cover Issue 57 Recumbent Tandem Rider Magazine Spring 2017

Long-time print-only recumbent news source begins online publishing

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TARTAR Spring 2017 - Recumbent trike ride on Sacramento's American River Trail

Recumbent trike riders converge on Sacramento for TARTAR Spring 2017 ride along the American River Trail in Sacramento.

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Catrike Road-AR quietly introduced -- full-suspension recumbent trike

Catrike quietly substituted a new full-suspension Road-AR model for the rear-suspension Road. The Road-AR is like a trimmed down Dumont with 20" rear wheel and hundreds lower price tag.

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Recumbent trike racks 1/2 off

Half-off racks stimulate the recumbent trike industry.

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