Check out what heavy trials does to your bike. All the nasty failures and wrecked metal you can expect from gnarly concrete edges.

See my bike in details, and some of the other bikes that I've had.

Replacement Parts:
Know what you want.
The Webcyclery has some really good selection of trials bicycle parts.(with pictures)
So has the Trialsin shop, with some cool updates on available frames.

Bicycle Parts

BRAKES:

I like the V-brakes, but the HS33 from Magura are a bit stronger if you can afford it.


Magura (hydraulic).
Tektro.
Coda.

CRANKS/CHAINRINGS:
Stronglight.
Raceface.
Shimano.
FullSpeedHead.

FORKS:

Forget about suspension forks if you are into trials riding.

Rockshox.
Manitou.
Marzocchi.
Hanebrink.
White Brothers.

HUBS:
Hope.

RIMS/WHEELS:
Mavic.
Mojo.

SADDLES:
San Marco.
Italia seats.

STEMS/HANDLEBARS:
Roox.
Azonic.
Art bicycle.
Ritchey.

TYRES:

I like the 2.35" IRC Missiles or the 2.3" Panaracer FireDH Pro


IRC
Bontrager.
Geax.
Lickbike.
Panaracer.
Schwalbe.

VISIBILITY:
Cateye lights.
Bike Manufacturers

Avanti.
Be One (trials frame).
Bianchi.
Blaker's.
Cannondale.
Caribike.
CheetaCycles.
Decathlon. (trials frame)
Diamondback.
Easton.
FRM.
Full Speed Head.
Giant.
GT bikes. (trials frame)
HardLand.
KHS.
Kona.
Lapierre.
Look.
Marin. (trials frame)
MBK.
Monty (trials bikes)
Orange. (trials frames)
Peugeot.
Planetx. (trials frames)
Psycho Psycles.
Red-Hot-MTB.
Schwinn.
Scott.
Specialized.
Spen.
Sunn. (trials frames)
Taillefer Bicycles.
Trek.
Turner.
Vario. (trials frames)
Wheeler.
Yeti.