Established in 1992, Sumai Bicycle Co.,Ltd. is one of the biggest China tandem bicycle manufacturer and wholesaler. We've gotten the WMI (World Manufacturer Identification) since 2005. Our company has perfect quality management systems with ISO9001 international quality authentication in 2002 and pays great attention to new product development. We have high-quality staff at design, oem tandem bicycles development and production fields, and have introduced in qualified personnel from foreign bicycle enterprise. Most of our products have been approved with CE certificate, and some approved with EEC, EPA and CARB.

bicycle riding is twice as much fun on this bicycle built for two. The Kent DualDrive Tandem is packed with thoughtful features, including a low step-over frame for easy mounting and dismounting, a 21-speed Shimano drive train, alloy wheels and precision components for a smoother, more pleasant ride. So what are you waiting for? Grab a friend and go.Strong aluminum wheels, disc brakes for extra stopping power, easy-to-use twist shifters and wide tires for a safe, stable ride. You and a co-pilot will have a blast on this two-seater! One sweet ride: Steel tandem frame and suspension fork; Front disc brake, linear pull rear; 21-speed gears; Aluminum wheels; Suspension rear seat post.
Specifications:
Frame type: Tandem bicycle
Frame material: Steel
Gearing: 21-speed Shimano drive train with Revo Twist Shifters
Brakes: Alloy brakes
Tires: Custom center ridge
Additional features:
The Kent DualDrive Tandem Bicycle has an easy step-through frame for easy mounting/dismounting
Comfortable spring gel saddles
Dual water bottles

You've been cycling long enough to know what a correctly engineered and well-constructed bicycle can do. Fanciful marketing or scare tactics in the sales literature of pretenders does not sway you. Nor will you be seduced by the latest materials craze. You simply want every gram of performance you can get
Building the lightest, best-performing tandem available is more than simply shaving metal or choosing underweight components. Anybody can make lightweight bicycles, but constructing tandems that hold numerous national and international titles is a rarity. The Robusta is a proven performer that has not only rocketed scores of athletes into first place, it also holds up to the rigors of innumerable training miles with ease.
Yes, the Robusta is lighter than ever before. We just can't stop tweaking its performance, tuning the ride to direct more of you muscle power to those two little patches where the rubber burns up the road. How did we do it? We designed the Robusta's new incredibly light zonally-butted ACMUltra7 tubing and reworked the geometry around the very sexy new Alpha Q X-2 tandem fork.

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