(from Otacon on www.trials-form.co.uk)

(retrieved by Thibaut Marriaux, from a trip to Japan)

• early mod bikes were not so short on the chainstays
• Check how far the rear wheel is from the seat tube

(from Nico who started anonymously in Barcelona)

(from Thibaut Marriaux at www.tmshow.net)

(from Robster on www.trials-forum.co.uk)

(from KingC on www.trials-forum.co.uk)

• welded gusset between top and down tubes

(from Dan Trials on www.trials-forum.co.uk)

• long gusset welded across the top tube and the down tube

(from www.echobike.com)

• Wheelbase 1010mm
• BB Height: +60mm
• Chainstays: 362mm
• front and rear rim brakes
  

(from Jeza on www.trials-forum.co.uk)

(from Trials Addict on www.trials-forum.co.uk)

(from laurence knight on www.trials-forum.co.uk)

• Wheelbase: 1020mm
• bb height +55mm
• Chainstays: 362mm

(from anusthegreat onwww.observedtrials.net)

(from Karin Moor at the 2010 World Cup in Antwerpen)

• integrated rear disk brakes and front disk brakes
• large cut outs for weight savings

(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 Rob Drizzle on www.observedtrials.net)

• Wheelbase 1025mm
• bottom bracket height +60mm
• Chainstays 362mm

(from Josh Laverty, flutterphotography.wordpress.com)

• Front disc brake, rear magura rim brake
• Wheelbase 1000mm
• Chain stays 352mm
• BB high 50mm
• Head angle 71.5d.
• Headtube 110mm.
• Curved tubing

(from Nico, anonymously riding in Paris)

• based on XTP Koxx models
• rear magura rim brake, brake booster integrated in the frame
• disc brake on the front

(from Hans “no way” Rey on www.hansrey.com)

• Schwinn Stingray frame, with internal 3 speed

(from Haro Bikes www.harobikes.com)

• a response to the GT ricochet trials bike
• large rear sprocket for very low gear ratio
• integrated bash-plate

(from Gary Sansom on www.bmxmuseum.com)

• strongly derived from BMX types, but with an integrated bash-plate
• straight T-forks with clamp on stem.
• the seat is minimal

(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

(from Gary Sansom on the Deutch BMX museum www.bmxmuseum.nl)

• With integrated bashguard, low drop outs
• straight T-forks with integraged stem (moto-style)

(from alex-trials-boy on www.trials-forum.co.uk)

• full disc brakes setup

The 2007 Czar tr mod

(from amsone on the www.trials-riders.es)

• full disk brakes setup

The Monty 219 Alp tr

(from amsone on www.trials-riders.es )

• with cable V-brakes and curved handlebars
• plastic seat plug

The Echo Team mod

(from Josh Laverty, flutterphotography.wordpress.com)