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jrhines RichardCunningham's article
Sep 25, 2017 at 13:52
Sep 25, 2017
Leaving Las Vegas: One Last Stroll Through the Halls of Interbike, 2017
@BigLips93: aluminum is less than half the stiffness of steel.
jrhines rasoulution's article
Nov 26, 2016 at 16:45
Nov 26, 2016
Downhilling on a Granny Bike - The Crash Reel
@macross87: Thanks - I'm now blasting Goldfinger
jrhines ibiscycles's article
Oct 30, 2016 at 16:14
Oct 30, 2016
Bikerafting The Sacred Headwaters
I've been to this mine as a sub-contractor and stayed in the mining camp. I would say that 75% of the workforce was aboriginal. It's a very rich copper deposit which includes some precious metals as a profitable by-product. The mine is currently open pit but will likely have to switch over to conventional as they progress. Compared to something like the oilsands in Alberta, this type of mining is relatively clean and environmentally friendly.
Added 6 photos to Buy-Sell
Sep 3, 2014 at 18:36
Sep 3, 2014
Sep 3, 2014 at 18:34
Sep 3, 2014

Redline Conquest Pro Cyclocross bike

$700 CAD
-Carbon FSA cranks with single 40t chainring and Paul chainkeeper. Comes with a SRAM Force front derailleur and FSA road rings (39/52) -SRAM Force levers and rear derailleur -Shimano brakes -Bontrager wheels (cartridge bearings) -Thompson seatpost and stem with easton aluminum bar

Added 3 photos to Buy-Sell
May 7, 2013 at 21:08
May 7, 2013
May 7, 2013 at 21:07
May 7, 2013

Santa Cruz Bur XC Carbon

$1500 CAD
Large Frame XO RD, XT FD, XO Shifters (9 speed) Raceface Cranks and Seat Post NoTubes Arch EX rims on Hope Pro 2 hubs Avid Juicy 5 brakes Fox Float F100 Fork Fox RP23 shock All frame and hub bearings have been replaces and fork has been re-built.

jrhines RichardCunningham's article
Jan 22, 2013 at 5:35
Jan 22, 2013
To the Point: Heat Treating Aluminum Frames
This is not correct. The initial heat treatment is to dissolve the alloying elements in solid solution (solution anneal). The artificial aging causes very fine and evenly distributed precipitation of solutes inside each aluminum grains structure. There is absolutely no crystal structure transformation. The shear transformation you are describing occurs when hot steel is quenched and then followed by a lower temperature thermal treatment.
Aug 2, 2010 at 17:47
Aug 2, 2010

SRAM X.9 Front Derailleur

$35 CAD
SRAM X.9 Front Derailleur. Brand new never mounted. 34.9mm top clamp. $35

Aug 2, 2010 at 17:40
Aug 2, 2010

Thomson Elite X4 90mm 10deg stem

$40 CAD
Used Thomson Elite X4 90mm 10deg stem. In new condition (no scratches). $40.

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