Extention Jarvis 3 street-trials bike

✅ Custom Trialshop.pl upgrade - stronger spokes in classy black with black nipples for ultra stealth!

✅ Brake hose installed through steerer tube as standard

The first 4 pictures show the latest 2025 specification with new A35 rims. Only the rims have been updated for this build, the remaining spec is left unchanged. 

Frame and fork:

• Extention Jarvis 3 frame, 12mm thru-axle, post mount
• Extention Jarvis 3 1.5" 15mm thru-axle, post mount

Steering:

• Extention Forged, 90mm x 35*
• Extention carbon high riser bars
• Extention sealed headset
• 50/50 lock-on grips

Drive:

• Extention Forged CNC BB24 crankset
• Extention 7075 CNC machined 22T bash and sprocket
• Extention 36.6 16T freewheel
• 50/50 CNC platform pedals
• Extention 3rd gen chain tensioner
• Yaban chain 

Front wheel:

• Extention 15mm hub, disc
• Extention A35 tubelss ready rim
• Sapim spokes, black
• Sapim Polyax brass nipples
• Maxxis Holy Roller 24 x 2.4" tyre
• Kenda tube, presta valve

Rear wheel:

• Extention 142mm 12mm thru-axle hub
• Extention A35 tubelss ready rim
• Sapim spokes, black
• Sapim Polyax brass nipples
• Maxxis Holy Roller 24 x 2.4" tyre
• Kenda tube, presta valve

Brakes:

• Magura MT5, MT7, MT Trail SL Carbon brakes
• Magura Storm 180mm rotors
• MT Trail SL Carbon brakes come switched meaning the rear brake uses a 4 pot and front a 2 pot calliper. These brakes are equivalent in performance to the MT7 and MT8 while maintaining lower weight thanks to carbon lever blades.

Weight:

• 10.52kg (MT7)