This page is special for all Southern California Trials Association members to advertise their bikes for sale free of charge. Please contact the seller directly as these bikes are not at TEC-Cycles. If you are a SCTA member (or former member) and would like to advertise your bike with us, simpley e-mail a picture or pictures with all the info including your contact info and we'll put it up.




2006 Montesa 4rt REPSOl $6,000

Only Tony Bou's 4RT is more special than this one.  Every known and proven improvements have been done.  No expense spared.   Only the engine is stock, it is great right out of the box. Extremely well maintained and does not need anything just gas.
It is the lightest 4RT - 166# dry weight (??Beta weight???)

Programmable FI throttle body with software and cables allowing to upload different maps.
Titanium Japanese exhaust system with oversized titanium header and carbon covers (much better engine performance and a significant weight saving)
Mitani style mini gas tank with Japanese mini fuel pump in aluminum holder with carbon cover (significant weight saving and great look)
Mitani clutch
Future Trial carbon holder for voltage regulator and capacitor (significant weight saving)
Fat bars with S3 bar ends
REPSOl carbon front light
REP  English race triple clamp
Carbon front fork protectors
Repsol carbon front fender holder
Jitsie foam air filter (plus one extra)
Almost all bolts replaced with Titanium or Aluminum significant weight saving)
Aluminum swing arm pivot and spacers (significant weight saving)
Titanium foot pegs and peg holders with 10mm set back (significant weight saving and better control)
Titanium snails for chain adjustement
Mitani Titanium seat/fender holders (significant weight saving)
V-Mar rear brake pedal (better control and lighter)
Oversized Nissin front brake assembly (better response)
Future Trial carbon front and rear brake lines (significant weight saving)
Future Trial carbon fuel injection line (significant weight saving)
Future Trial carbon clutch line (significant weight saving)
Mitani ignition coil (better spark, smaller and lighter)
Rear wheel rim machined out like a factory bike to reduce weight
Aluminum colored nipples for both wheels (significant weight saving and better look)
Custom graphics from England
Black powder coated frame like 2013 REPSOl
Oversized skid plate from 7075 light aluminum
Future Trial kill button in in frame (slick look, super light)

Sping 2012
New wheels and steering bearings
New swingarm bearings/bushings
New aftermarket dog bone with sealed bearings
New chain tensioner and swingarm bushings/seals
New V-Mar suspension triangles
New chain and V-Mar sprocket
New front tire
New Mitani clutch disks and plates

Spring 2013
Complete rebuild of front forks and rear shock by a speciality suspension shop
New rear tire

Contact Filip Roos at