Calfee Tetra Full Suspension Tandem – Ultimate Build



Calfee carbon tandem frames are the frames against which all others are measured; the benchmark in comfort, speed, fun, value and beauty.


You no longer have to compromise. Our tandem frames, as light as the very lightest aluminum, titanium and hybrid-carbon frames from our competitors, set a new standard for comfort, durability, beauty, lateral-stiffness and power transmission. We are doing for the tandem world in 2011 what we did for the single world in 1987; building a lighter, stronger, stiffer more absorbent frame that is faster and more fun to ride.

Why carbon fiber? Given carbon’s inherent qualities, why not? Carbon fiber exhibits the most desirable performance characteristics of any of the frame-building materials explored to date. It can be designed to be laterally stiff under heavy pedaling forces and still be light. It can absorb road shocks well, and still handle crisply while efficiently delivering complete power to the drive train. It can be durable and not subject to fatigue failures while remaining strong enough to stand up to unexpected impacts and torsion forces. It can lend itself to attractive finishing and resist corrosion or attack by the elements. And it can be formed in an attractive, functional way allowing it to move through air resistance easily. In summary; a carbon fiber tube bike can be stronger, lighter, stiffer, more fatigue resistant and more comfortable than a steel, aluminum, titanium or hybrid-carbon tubing bicycle. Our tandem frame design leverages the beneficial and intrinsic attributes of the carbon fiber material to manifest the best riding, and looking, tandem bicycles in the world.

Add to this our Ultimate Build Kit, offering a combination of super-durable and lighweight parts designed for use and abuse off-road.

We’ve out together the ultimate wish-list of seasoned riders and knoweledgeable tandemnistas with our Ultimate Build Kit. Includes upgraded brakes to Hope’s Tech V4 brakes, and Chris King tandem hubset. Add in carbon handlebars and some other juicy bits, and you get what we consider the dream tandem setup. Ultimate Build Kit includes the following:

Fork: White Brothers Loop Tandem fork with QR15 axle

Brakes: Hope Tech V4 with 2pc Rotors

Levers: Hope Tech V4

Crankset: Middleburn RS7 Tandem Crankset with Middleburn UNO timing rings

Bottom Brackets:  White Industries

FR Derailleur: SRAM X9

RR Derailleur: SRAM XO Long Cage

Shifters: SRAM XO Twist

Cassette: SRAM PG970

Chains: SRAM PC971

Hubs: Chris King Tandem Disc F&R

Rims: Nox Composites Carbon

Spokes: Sapim Strong stainless

Bars: FSA Carbon riser / flat

Stems: Thomson X4 / Control Tech Adjustable Stoker Stem

Seatposts: Thomson Masterpiece/Cane Creek Thudbuster

Saddles: WTB Speed V / Speed She Progel

Grips: Lizards Skins

Tires: WTB

(Some optional equipment may be shown in photos)


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