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How slack is too slack for a trail hardtail?

Applegate

Chimp
Nov 4, 2024
2
0
I'm a very leggy, fairly large dude - six-foot-six, 37" inseam, 260 pounds - and I'm looking to get a new hardtail. I'd like something in steel. Or titanium, maybe...

I'd also like something more aggressive and taller, stack-wise, than my last-gen Salsa Timberjack, which has a 67.4º HTA, a 135mm headtube, a 1207 mm wheelbase, and 634mm of stack. For datapoints, I also have a last-gen XXL Tallboy IV. It has 656mm stack, a 155mm headtube with 65.5º HTA , and a 1290mm wheelbase. It's a little cumbersome in tight spots and slow techy sections.

The Esker Smokey in XL looks terrific with a 174mm heat tube and 688 mm of stack, but may be TOO long and slack at 64.5º and a 1304mm wheelbase. How much change to wheelbase and handling would i get from, say, using a 1.5º angle-adjust headset to go to 66º? If it's still going to be too much horse for my trails, does anybody have any bike suggestions?
 

HardtailHack

used an iron once
Jan 20, 2009
7,870
7,233
I'm 6ft and about the same weight, my last one was 62.5deg static and was a bit of a handful on the tighter XC stuff or when you got fatigued.
Currently on a L Norco Torrent, only got a large because the seat tube was too long on the XL, the 64deg static HA is more suited to what I do but I have to run headset spacers because of the lower stack, my last bike was about 660mm.

Yeah a bike with XC geo would be easier to ride on tight XC, but that's not what I enjoy, I like singletrack downs and rutty fire roads.

For me I'll stay sub 490mm reach, around 650mm stack, a 64deg HA and no a massive BB Drop, having a hardtail you can't pedal is a bit dumb.
 

englertracing

you owe me a sandwich
Mar 5, 2012
1,684
1,179
La Verne
using this
assuming a 150mm travel fork with 561 a2c height, and that the offset is split equally between a 110mm headtube
enter 561+55 as a2c

1* changes wheelbase by 10.7mm
1.5* changes wheelbase by 16mm

in reality this isn't exact