Extention Heimdall street-trials bike
Entry level street-trials bike from new brand Extention, the Heimdall features a 15mm thru-axle and an internally routed front brake hose - features not found on any other bike at this price point. Horizontal dropouts are coupled with excellent chain tugs and massive M10 bolts - an important addition to firmly secure the rear wheel.
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30 day return policy (limitations may apply)
Heavily updated for 2023, the Heimdall features more robust rims, updated drivetrain and new frame colours. Small tweaks, visual and structural can be found throughout the bike.
We consider the geometry of Extention bikes to be among the very best with standard measurements not reflecting what makes this bike so versatile - a longer front triangle and shorter fork rake. This is the first short wheelbased street-trials bike to have ample wheel clearance for barspins.
✅ Custom Trialshop.pl upgrade - uprated Sapim spokes
✅ Brake hose installed through steerer tube as standard
This bike delivers to the EU in 2-4 days. Shipping starts at just €19. Check the delivery tab for details.
Frame and fork:
- Extention Heimdall disc frame
- Extention Heimdall 1 1/8", 15mm thru-axle, disc fork
Steering:
- Extention Forged, 90mm x 35*
- Extention 6061 reinforced tripple butted high riser bars
- Extention sealed headset
- Rubber grips
Drive:
- Extention Forged 7075 BB24 crankset
- Extention 7075 CNC machined bashring with integrated chainring
- Extention 108.9 16T freewheel
- Shanmashi platform nylon pedals
- Yaban chain or KMC Z1 depending on availability
- Extention steel chain tugs
Front wheel:
- Extention 15mm hub, disc
- Double wall reinforced alloy rims
- Sapim spokes
- Sapim Polyax brass nipples
- Kenda Kiniption 2.3" tyre
- Kenda tube
Rear wheel:
- Extention 135mm hub, 10mm bolts
- Double wall reinforced alloy rim
- Sapim spokes
- Sapim Polyax brass nipples
- Kenda Kiniption 2.3" tyre
- Kenda tube
Brakes:
- Magura MT5, MT7, MT Trail SL Carbon brakes
- Magura QM12 adaptors
- 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:
- 10.62kg (MT7)
1294
New
Additional info
- Warranty
- 6 months
- Wheelbase
- 965mm
- BB rise
- 15mm
- Chainstays
- 362mm
- Head tube angle
- 74*
- Reach
- 660mm
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Entry level street-trials bike from new brand Extention, the Heimdall features a 15mm thru-axle and an internally routed front brake hose - features not found on any other bike at this price point. Horizontal dropouts are coupled with excellent chain tugs and massive M10 bolts - an important addition to firmly secure the rear wheel.
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