Co-Motion Speedster

Co-Motion Cycles has grown its reputation for producing world-renowned tandems since 1988
The Speedster is the standard for what a touring tandem should be. Reliable, strong and stable enough to handle any epic self-supported expedition you can dream of. This bike has proven itself over the years on many roads over many continents. Start planning your next adventure.
Drivetrain Options – What Drives You?
You’ve decided which Co-Motion is right for your kind of riding. Did you know we’re also the leader in drivetrain options? These are the drivetrain options for the Speedster. View the in-depth gearing details below.
Shimano Ultegra R8000 2×11 speed
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- Derailleur drive trains are lightweight, smooth operating and very efficient
- This double ring 11-speed kit offers generous gear range
- Speedster Shimano Ultegra 2×11 Kit offers a 22.9″ low, 122.7″ high gear
Rohloff Speedhub / Gates Carbon Drive
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- Speedster Rohloff is identical to the previously named Equator model
- The most reliable, widest range internal gear hub on the market
- All mechanical parts sealed from the weather, very little maintenance required
- Gates Carbon Belt Drive for grease-free bliss
- Fourteen evenly spaced gears for a 524% total range
- Speedster Rohloff with 55/20t cog offers 21″ low, 110.2″ high gear
Pinion P1.18 Gearbox / Gates Carbon Drive – First ever Pinion-drivetrain tandem offer!
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- With our introduction of the Pinion gearbox for tandems at the 2019 North American Handemade Bicycle Show, Co-Motion Cycles became the first tandem company offering a Pinion drivetrain for tandems, with Pinion’s approval and warranty support behind it.
- Revolutionary 18spd bicycle transmission from Germany
- Extremely low maintenance, with entire gearing mechanism sealed inside
- Mounted at the center of the frame for a balanced feel
- An industry leading 636% overall gear range
- Speedster Pinion 18 has a 15″ low, 95.3″ high gear
Speedster Specifications
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- Frame: Handbuilt frame with zonally-butted heat-treated Reynolds 631 steel
- Fork: Co-Motion Taper Gauge Tandem Touring fork w/ CNC Tandem Steerer
- Derailleurs/Shifters: Shimano Ultegra R8000 2×11-speed
- Brakes: TRP Spyre w/ 203mm disc rotors
- Headset: Cane Creek 110 Internal
- Drivetrain: Co-Motion compact 50/34t / Sunrace 11-40t cassette
- Cockpit: FSA Omega compact and Co-Motion stoker bar / FSA Gossamer and Co-Motion adj. stoker stem
- Post/Saddle: Co-Motion 31.6mm / Selle Italia Nekkar & Lady Flow
- Wheels:Co-Motion A-20 tandem hubs / Astral Outback rims
- Tires: Schwalbe Marathon GT 700x35mm
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Speedster Rohloff Specifications
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- Derailleurs/Shifters: Rohloff Speedhub 14-speed rear hub / Co-Motion Rohloff Shifter
- Drivetrain: FSA Gossamer tandem cranks / Gates CenterTrack Carbon Drive timing belt, drive belt & rings
- Wheels: Hand built with Astral Outback rims, Co-Motion A20 front hub
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Speedster Pinion P1.18 Specifications
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- Derailleurs/Shifters: Pinion P.1.18 18-speed gearbox / Co-Motion Pinion Shifter
- Drivetrain: FSA SL-K carbon cranks / Gates CenterTrack Carbon Drive timing belt, transfer belt, drive belt & rings
- Wheels: Hand built with Astral Outback rims, Co-Motion Boost 148/110 thru-axle wheels
Price Match Request
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All of our bike prices include pro-assembly.
One of our highly experienced pro-bike specialist mechanics will build your bike, then test ride it in the parking lot to verify everything works flawlessly. We will then remove the rear wheel, seat post, and front stem plate for shipping. Your bike will be packed for shipment in a manner that fully eliminates any possibility of arriving to you in less than perfect condition. Once you have your new bike, simply install the front wheel, slide in the seat-post/seat, and attach the stem front plate. You will be ready to ride or race in minutes.
The selection of the correct size frame (and stem, bars, cranks, etc.) is a crucial aspect of the road-bike buying experience.
We will contact you once you have placed your order to discuss and verify the sizes of each item that you need. Once you receive your new bike, ride it for a week or two and verify that you are comfortable with your chosen stem length, bar width, and crank length. If not, you may exchange any of these items for another size, as long as they are returned in as-new condition. (As-new, meaning: unblemished in any way other than bar-tape residue, pedal installation marks on the cranks, etc.) We will then rush you the size that you desire of the item, and sell the returned item as a test-ridden item at our retail store. If desired, we will provide a full comprehensive bike fitting free with any bike purchase. We work with the sizing system from of our favorite full-custom frame builder, Moots. Just go to moots.com and print out their highly comprehensive sizing questionnaire (with very detailed, easy-to-use instructions and pictures.) You will then be contacted by one of our in-house sizing specialists. We welcome all of your questions on any and all aspects of the sizing process when you are purchasing a frame or bike from us!
Customize your Co-Motion Speedster
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Frame Options
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