(from Ateam on www.observedtrials.net)

• double T-fork with integrated stem
• bmx-type handlebars
• full seat-post

and the promotional poster that goes with it:

(from Jeff Archer on the Museum of Mountain Bike Art and Technology, www.mombat.org)

• hybrid purpose-built trials bike
• 24″ rear wheel with special rear mech protector
• 26″ front wheel, reinforcement plates on the frame
• Cantilever brakes

(from Jeff Archer on www.firstflightbikes.com)

• A true hybrid trials bike, single low-gear speed, long stem
• 20″ rear wheel and fairly short chainstays
• 24″ front wheel for better rolling progression