Save $49 on 2023 clearance models! 

While they last, price is reduced from $429 down to $375.

The Greenstar Bikes EcoCross Hybrid Frame is a multi-purpose frameset that can be used for any number of bike builds: mountain bike, commuter bike, gravel bike, hybrid bike, comfort bike, even a road bike. Perfect for streets, trails and off-roading, the EcoCross bamboo frame will help you zip up hills and enjoy your ride on almost any terrain. The bamboo and recycled 6061 aluminum lugged frame delivers an ultra smooth ride by absorbing micro vibrations. This affordable frame weighs only about 5 pounds, and still has all the beauty, quality, and performance of a bamboo bicycle from Greenstar Bikes. Stunningly available in black. 

Lifetime Warranty

Your new EcoCross bamboo bike frame is warrantied against manufacturers defects for life. If it's our mistake, we will replace your frame for free. This applies only to the original owner and is not transferrable. If your warranty claim is more than 90 days after purchase, you will be responsible for domestic shipping costs. If your model is no longer available, we will offer you a replacement from our current production models.

Find more specifications and detailed information here: https://www.greenstarbikes.com/store/frame-ecocross-hybrid

Materials

Bamboo and 6061 Recycled Aluminum

Accessory Mounts

Racks, Fender, Kickstand, and Bottle Cage mounts

Bottom Bracket Shell

68mm, ENG Threaded 1.3" x 24 TPI (ISO standard)

Brake Mounts

Disc mounts and bridge mounts for caliper brakes

Cable Guides

Integrated, External

Crank Length Compatibility

135mm to 175mm

Derailleur Hanger

Included, aluminum, standard outside mount

Dropouts

Vertical

Head Tube

Threadless integrated, 42mm top diameter, 52mm bottom diameter

Hub Spacing

135mm dropouts width

Seat Tube Inner Diameter

31.6mm seatpost

Seat Tube Outer Diameter

34.9mm seatpost clamp

Seat Tube Depth

7" (180mm)

Tire Recommendations

700c, up to 42mm

Weight Limits

Tested at 440 lbs (200KG) without failing