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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.
New ICE pricing on March 1, 2016

ICE is revising prices for 2016. Some prices are up, some are down.

In general, prices of Full-Fat and VTX-related items have come down due to improvements in the manufacturing process and prices of standard Adventure and Sprint-related models have gone up.

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Priceless photo

Words do not do this picture justice.

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Catrike price increases

This just in from Catrike...

Price increase on Road, Trail and Villager March 1, 2016

New Pricing effective March 1, 2016

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Caution! Sharp! Schlumpf chamfering tool
Schlumpf chamfering tool gets new lease on life thanks to marijuana-motivated inventor.
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