Extention Jarvis 2 street-trials bike

Every Extention bike is hand-built at our workshop using upgraded spokes, nipples, and precise finishing such as faced brake mounts and bottom brackets. Internal brake hose routing is included with every applicable build. With your purchase you will find our exclusive instruction manual, covering assembly, maintenance, and solutions to common street-trials issues. And as always - we're here to help should you have any questions about your purchase.

✅ Custom Trialshop.pl upgrade - stronger spokes in classy black and upgraded nipples

✅ Brake hose installed through steerer tube as standard

Please note that the frame and forks have a minor colour mismatch. The forks have a slightly cooler hue.

Frame and fork:

• Extention Jarvis 2 frame, ghost white 12mm thru-axle, post mount
• Extention Jarvis 3 forks, white, taper 15mm thru-axle, post mount

Steering:

• Extention Forged, 90mm x 35*
• Extention 6061 reinforced tripple butted high riser bars
• Extention sealed headset
• 50/50 lock-on grips

Drive:

• Extention BB30 CNC crankset
• Extention Storm 7075 CNC machined 22T bash and sprocket
• Extention 36.6 16T freewheel
• Extention nylon platform pedals
• Extention chain tensioner
• KMC Z1eHX chain

Front wheel:

• Extention 15mm hub, disc
• Extention MT double wall rim
• Sapim spokes, black
• Sapim Polyax brass nipples
• Maxxis Holy Roller 24 x 2.4" tyre
• Kenda tube

Rear wheel:

• Extention 142mm 12mm thru-axle hub
• Extention MT double wall rim
• Sapim spokes, black
• Sapim Polyax brass nipples
• Maxxis Holy Roller 24 x 2.4" tyre
• Kenda tube

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:

• 10.42kg

We offer support for Extention bikes with a full range of spare parts—down to the smallest bolts and nuts, even if not listed on our website - simply drop us an email if you require anything. Should you bump into any issues, our warranty process is rider-friendly: in most cases, photos are enough to resolve claims without the hassle of shipping items back.