This may be a first: a triplet tandem with Gates Carbon Drive. Blog reader Edward Tasch sent us these images. The little dude in the middle is clearly enjoying the rush.”The bike rides great and is amazingly tight and responsive,” Tasch tells us. Build weight is 42 lbs. “Very stiff and shifting is remarkably precise.” The 7005 aluminum frame was designed by Mark Johnson of Precision Tandems and built by Dan Towle’s team at Rod Cycle in Seattle.