Full-suspension mountain bikes just don’t cut it for designer Hojun Lee. So he created a solution within the wheels. In place of standard spokes are three sets of shock absorbing coils in his concept renderings.
The spring system between the hub and the rim of the wheel cushions the user from bumps and potholes in the road. The springs absorb road noise, reducing vibration through the frame and into the rider’s arms and body. High-pressure or puncture-resistant tyres can be used.

After building a PacMac track in its previous video in the Cat Trials series, Caterpillar set up a mock Hot Wheels race track featuring a variety of Cat equipment and life-sized versions of Hot Wheels cars.
Among the very few prominent recumbent groups around the world precious few can boast of the long history of racing and designing bents as can the British Human Power Club. We’ll chat with club officers Alan Goodman, Barney Harle and Chris Hamilton about their full racing seasons (including the World HPV Championships), member’s unusual HPV builds and the early group history with founding member Dave Larrington. Also Dave Ashenbrener returns with an update on his “Lost Recumbent” AR-3 tilting trike which he has now produced and is available to purchase. Honza, Doug and Nina are back with their segments as well. Midwest Trike Demo Sale – February 27! Posted on February 26, 2021 by Larry Varney