So I went and did this.
I always wanted a dual suspension with an IGH for a light duty enduro style ride but wanted to avoid using a tensioner. So I found a cheap Haro Sonix frame on Ebay in need of some love. Sadly it was cracked so it needed repairing which ate into my budget. I stripped all the paint and polished the frame and old Lx cranks to make it all shiny.
I used one of these bad boys for chain tension duties. Trickstuff
I needed to flip the BB linkage plate to fit it but so far I like it as a means of chain tensioning almost more than the bushnel on my HT.
The Sonix it self has a very unique ride that I hated when I first rode it. It squats badly under power strokes or slow speed climbing. I read everything I could on setting it up correctly and constantly came across people saying how you needed the exact right sag for it to work right. They weren't wrong. Lots of tinkering and a better shock pump later I have it dialed. It's a lively ride that climbs ok but descends better.
The alfine 8 is nice. I have a rolhoff as well which I love . I like the alfine trigger shift and how quick and light it shifts. I'm still getting used to the paddles on the shifter shifting in reverse to a derailleur set up.
The Alfine is more difficult to remove from the bike than the rolhoff and you have to have those little yellow lines perfectly lined up or else you can slip shifts.
My biggest gripe with it is the uneven gear steps which is really annoying when you are trying to maintain cadence.
Initially I was really worried how the weight of the hub would affect suspension performance. I can really feel the weight of the rolhoff on the back of my HT but on the sonix the Alfine doesn't make the bike feel unbalanced at all.
So the whole thing weighs 14kg (30lb ish) with pretty middle road spec.
Overall it's a fun bike to ride now that i have the rear suspension dialed and am getting used to it's idiosyncrasies.
Frame- 2006 Haro Sonix 120mm travel
Fork- DT XRM 120 twin shot 15mm
Headset- FSA orbit Mx
Cranks- Shimano LX
Stem- FSA 90mm
Seat Post- X Fusion Hi lo
Brakes- Shimano Deore 180mm rotors
Hubs- Nuke proof Front, Alfine 8 Rear
Rims- wtb Laser Disc
Tyres- Maxis Ignitor
Saddle- SDG belair
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Thread: Haro Sonix Alfine 8 Conversion
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