29er Build: Completion

The 29er is finished.  The Kona is still covered in all of the standard stickers, but that probably won’t last too long.  The stem is likely a placeholder until I figure out just what size I want, and when I have figured that out I’ll chop the tandem-length hydro lines and everything should be set.  All told, the build went well and the only real hangup was the seat post.

My 330mm Thomson post was too short for the rather odd 29er geometry.  At the proper height, the 330mm post was inserted well beyond the minimum insertion mark, but due to the steeply sloped top tube and long seat tube extension of the frame the bottom of the post did not extend far enough into the seat tube.  According to Thomson (and general opinion) the post should extend below the bottom of the top tube to minimize the risk of cracking the frame.  The 330mm post only extended about halfway between the top and bottom of the top tube.  The 410mm Thomson extends well below the bottom of the top tube, so problem solved.

Here are the full specs:

Weight10.8kg (23.8 lbs)
FrameKona Unit, Steel
ForkSurly Karate Monkey (w/ ground-off canti bosses)
StemThomson, 90mm
HandlebarsEaston EA50 low-rise, 640mm
GripsErgon GP1 BioKork
BrakesAvid Elixir CR Carbon, Roundagon Rotors (185/160)
CassetteSinglespeed spacers, Surly 20t cog HBC steel/alloy 20t cog
Crankset/BBShimano Deore 175mm (FC-M590), HBC 32t SS alloy ring (1/8")
PedalsShimano M540
WheelsFulcrum Redmetal 29 SL
SkewersShimano XT
TiresWTB Prowler 29 SL, 2.1"
Maxxis Ignitor, 29x2.1"
SaddleSelle Italia Flite Titanium
SeatpostThomson 27.2, 410mm
Lynskey Ti post, 27.2 / 400mm

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