The Post your DH bike thread.

PB Forum :: Pinkbike Groups
The Post your DH bike thread.
Author Message
Posted: Sep 3, 2019 at 2:05 Quote
I mean mis-matching rims is the big standout for me. Fine if you've busted one and get a replacement but building a new bike like that in the first place, not even matching brands? Madness.

Posted: Sep 3, 2019 at 3:17 Quote
Morgan5518 wrote:
dat boxxer doe
true! lower weight on them boxxers, but most of that forks offset is found in the lower legs. For this reason the 40 is chosen to slam offset inward as close as possible. The added stiffness will theoretically allow me to run more sag for better small-bump, all the while holding better midstroke support in corners because of the extra stiffness. Also added bottom out control and all that jazz.

secondtimeuser wrote:
I mean mis-matching rims is the big standout for me... not even matching brands? Madness.
haha, thanks for the laugh. The front rim is chosen because I want the added dampening and 30mm rim width the Vibracore provides. The Vibracore is apparently too damp as a rear wheel according to reviews...so there's that. ALSO, running an internal rim width of 25mm or greater creates far too wide of a tire profile--SLOWING YOU DOWN. Adds too much drag with 2.4"-2.6" tires. A 23-25mm rim is ideal in the rear to hold better speed on flatter sections of trail AND still be wide enough for the heavy moments. BALANCE.

Pure love..thanks for taking the time to read my thoughts.
:unicornemoji:

Posted: Sep 3, 2019 at 4:15 Quote
EvoRidge wrote:
Morgan5518 wrote:
dat boxxer doe
true! lower weight on them boxxers, but most of that forks offset is found in the lower legs. For this reason the 40 is chosen to slam offset inward as close as possible. The added stiffness will theoretically allow me to run more sag for better small-bump, all the while holding better midstroke support in corners because of the extra stiffness. Also added bottom out control and all that jazz.

secondtimeuser wrote:
I mean mis-matching rims is the big standout for me... not even matching brands? Madness.
haha, thanks for the laugh. The front rim is chosen because I want the added dampening and 30mm rim width the Vibracore provides. The Vibracore is apparently too damp as a rear wheel according to reviews...so there's that. ALSO, running an internal rim width of 25mm or greater creates far too wide of a tire profile--SLOWING YOU DOWN. Adds too much drag with 2.4"-2.6" tires. A 23-25mm rim is ideal in the rear to hold better speed on flatter sections of trail AND still be wide enough for the heavy moments. BALANCE.

Pure love..thanks for taking the time to read my thoughts.
:unicornemoji:

So a 25mm internal is far too wide but a 23-25mm is ideal? I;ve never though while riding my vibrocore spike rims "Damn these rims are doing what they advertised too well". Also it's damping, NOT dampening.

Posted: Sep 3, 2019 at 7:32 Quote
EvoRidge wrote:
THIS IS THE FUTURE, THIS IS PROGRESSIVE FRAME GEOMETRY. THIS IS....a good idea? Please let me know your thoughts.

Me; 5'9" - 158lbs w/gear on - Bars cut @747mm

27.5/27.5 setup
\\would run a hybrid 29/27.5 only w/150mm 29" short offset singlecrown fork--too peddly for my liking\\
|Evil Insurgent LB: Medium|Big Grin
-Coil rear shock (Fox X2 or DVO)
-RWC needle bearings for shock mounts [mounting = 21.85mm 8x22 shock hardware] buy two-three sets as reviews show they wear out in a season or so2 cents
-Fox 40 air lowered to 178mm (stock 27.5 Fox 40 offset is 52mm--wanting to be @42mm, 44mm or 46mm offset) Praise be to the 20mm axle godsFab
-Outsider bike fork clamp offset crown** (adjust fork offset -10mm, -8mm, -6mm or +4mm, +6mm, +8mm *AND* Stem length mount options: -8mm, 0mm, +8mm)

**Fox 40 & Boxxer clamps available currently. No DVO (36mm stanchion Onyx fork).
This aftermarket crown/steer assembly allows me to run a 50mm stem and mount it in the -8mm position which turns into a 42mm stem. Matches the aftermarket offset exactly. Fox 40 stock offset = 52mm. Adjust @-10mm steer offset giving me a 42mm offset Fox 40 lowered to 178mm Attention Will she pedal? I wonderConfused Confused

Cockpit
-Funn RSX direct mount stem, 35mm clamp (45mm/50mm reach options, 20mm rise--also 30mm rise available & 31.8mm bar clamps) Silver
"The 15 degree up-swing angle of the Funn RSX stem design shifts bar pressure from falling directly to the lower bolts to the stem pieces (comparatively to 0* flat or 'drop' DM stems) resulting in a sturdier stem." Smart!

I have *four* different stem length options I can utilize with the Funn RSX stem and Outsiderbikes aftermarket fork crown stem mounts (-8mm, 0mm, or +8mm);
+With the stem mated @0mm crown-mount I can do 45mm or 50mm stem lengths.
+50mm stem length @the -8mm crown-mount creates a 42mm reach.
+45mm stem length @the -8mm crown-mount creates a 37mm stem reach.
50mm, 45mm, 42mm or 37mm stem length options all in one stemCook
This is on a 42mm offset fork! Who got options? We got optionsCool
*ALWAYS TRY TO MATCH STEM LENGTH TO FORK OFFSET! ASK GREG MINNAAR*
tup tup
-ONE-UP Components *oval* carbon handlebar 35mm rise, 35mm clamp>>yet not as aggressively stiff as traditional 35mm bars. Take a look at OneUp's science ---->right here (test of stiffness/compliance compared to other high-end bars)
..read the original/official "ONEUP" carbon handlebar post from mtbr forums right here
Construction Book Geek
-Revolution suspension grips half waffle *hypes real according to local DH shredders*
--->Rev grips: How do they work---
-Dropper: BikeYoke REVIVE 160 / 30.9 - [withoutremote]
-Dropper lever: Wolf tooth remote
-Salute Headset magicSalute Works Components 1.5 Degree ZS44-ZS62 Angle Headset -- set #3 (set #4 for the large Insurgent) Able to run -/+1.5* or 0*
Medium headtube Insurgent frame = 114mm // Large frame headtube = 127mmBook

Quick head-angle check, lets geek;
Using a lowered 178mm Fox 40 w/an aftermarket steer-clamp assembly allowing a -10/-8/-6 offset from stock (52mm 27.5" 40) to 42mm, 44mm or 46mm fork offset. Impressive2 cents
Geometry of a stock Evil Insurgent LB park @180mm travel/46mm offset;
+LOW Headangle: 64.4* (62.9* w/-1.5* headset)
+X-LOW Headangle: 63.6* (62.1* w/-1.5* headset):P

Braking
-TRP G-SPEC DH brake (front) Gwin Brakes // mineral oil [no more shimano servo-crap]
-TRP G-SPEC DHR brake (rear) --->2.3mm rotor specific (both are 4-Piston calipers)
-TRP-33 2-piece Slotted Rotor 6-bolt (203mm) regular thickness -- Front
-TRP-41 1-piece Slotted 2.3mm Rotor 6-bolt (203mm) 2.3mm thicc -- Rear
Robin 2-piece lighter rotor up front paired w/a steel single piece exxtra thicc 2.3mm rotor in the rearRobin

Wheelset
-Front Rim: Spank SPIKE 350 *Vibrocore* (30.5mm internal, 510g--green foam filled rims!)
-Rear Rim: DT Swiss E 512 (25mm internal, 525g--25mm rims roll faster as a rear, less 'ground grabby' on 2.4" tires)
-Industry 9 32h Torch hubs--Classic j-bend (silver/silver) talk me into pink hubsRedface
-Valve stem: e*Thirteen HV Tubeless Valves Short Stem [Red]
-DT swiss DB j-bend spokes [black]
-SAPIM BRASS POLYAX NIPPLES (rounded nipple allows for natural spoke-flex tolerances)
-[RIM INSERTS] Geek Cushcore lite/xc front (149g) & Cushcore pro rear (250g) Geek
-Maxxis Assegai 2.5" 120tpi 3C MAXX GRIP/DD tech *front* (1,225g)
-Maxxis Minion DHR II 2.4" 60tpi wire bead single compound [hard] *rear* (1285g)
-Maxxis Minion SS 2.5" two options below*

The 60tpi wire bead Minion SS (more firm/stable) is 12.7oz.'s heavier than the non-wirebead (foldable) 120tpi Minion SS. (Smaller TPI # means extra woven/stronger rubber) 1,335g & 975g respectively. This would only ever be used as a rear tire, but god damm is that a huuuge weight difference at the most critical point of the bike to notice weight change. I'm hesitant to run non-wirebead tires that use thinner rubber>>vs.12.7oz extra for the wire bead + added rubber is no jokeWhip Thoughts??

Drivetrain
-Box components 11sp derailleur 'Box Two x-wide cage' (x-wide needed to fit the micro 9t of the TRS+ cassette)
I'm ridiculously excited for the 9t cassette cogDrool
-'Box Two' 11sp Shifter
-MRP SXg Lower Chainguide>>simply a 'flat' chain tensioner and bash guard combo. No upper guide needed since it's already built into the Evil Insurgent frame..dope! Cool (122g)
Here's a perfect example of the SXg lower guide on an Insurgent
-e*Thirteen TRS+ 11-Speed Cassette (9-46t) yaaay 9t, yaaaaaay no wonky 50tlol
-Chain: KMC X11EL Ti-N Gold (solid pins\\avoid hollow pins)
-Wipperman Connex 11sp quick-link
-BB: RWC BSA (threaded) steel BB 22mm/22mm Spindle fit (custom) [gold]
*more on this below*
Big Grin
-DMR Vault pedals (w/longer terror pins in the 4-corners) In Brendog 'ice' (muted silver) or the exxtra dope Lacondeguy oil slick flats...or just. Silver Smile
-Chainring: 32T Wolf Tooth Components Powertrac Elliptical [oval] 104BCD--Silver
Wow...never thought I would see the day I ran oval>>but apparently it's real. Wolf Tooth has mtb oval science best figured out for no 'deadspots' while peddling.Attention

-Saddle: Selle SMP F30C [steel rails] in Bianchi sea-mist green -or- coke white, orr maybe red turn heads *but* I did read a review that the stock black (real leather) grips better when things get wett vs. colored Selle SMP saddles using a microfiber cloth that has a tendency to get slick Two-Face Dimensions: 249 x 150mm 280g

...and the crankset. oh oh oh, what have we here
-Profile Elite 3-piece COLUMN 22MM STEEL CRANKSET in polished chrome @*drumroll* 160mm crank arm length! (22mm axle/spindle, steel!)
-Profile Elite104bcd SPIDER-SPLINE DRIVE (single chainring) attachment in silver (to correctly fit a 32T 4-bolt/104bcd Wolftooth oval ring)
Doing this to avoid pedal strikes with suuuch a slack bike (potentially set @62.1* headtube w/-1.5* angleset on a 38mm long stem, 42mm fork offset Fox 40@178mm) Can adjust the narrow chainline of the Profile cranks w/spacers at the bottom bracket threads. Needs to be a 49mm chainline.

Attention Building a SUPER-MEDIUM Insurgent Attention
I'm considering doing a Large frame but bolting a 30mm direct mount stem to the +8mm crown/steer stem mount position>>Bringing the stem to 38mm long on a 42mm offset fork. This makes the steering *slightly* more twitchy than that of a 42mm stem to match the 42mm fork offset -BUT- my thinking is that the longer toptube of a Large Insurgent frame will help compliment the slightly shorter 38mm stem. Evil dealers say once you hit 5'10"/5'11" tall that large frames are the only way to go. I'm riiiight on the cusp at 5'9" (+2" wingspan) !Salute THOUGHTS???2 cents 2 cents 2 cents

extra nuggets
-STFU chain slap retention system made by Chris Kovarik A quiet bike is a fast bike--no more chain slap on your rear triangle!
"The STFU drive-train units contain your chain when things get rough - preventing chain slap and noise from your frame but also preventing your chain from over-extending sideways - decreasing wear and extending chain life.
Under tension from pedaling the chain remains completely clear of the STFU units for complete efficiency."

-Thomson seatpost collar (34.9mm) silver [matched up]

Attention Backup crankset options in case the 160mm Profile 3-piece chromo cranks are just too much to deal with:

+Hope Evo crankset 165mm w/73mm, 30mm axle, 133.5mm shaft, 49mm chainline---critical detail (Four spindle optionsEek The other crank spindle options increase the chainline well above Evil's recommenced 49mm) Silver

+Canfield Brothers AM/DH Cranks in 160mm length (would have to switch chainrings to the sram style direct mount--still running a Wolf Tooth 32t oval ring) Not so sure they offer the ultra-short 160mm cranks in 68/73mm spindle length. I only see it for 83mm bb fit. This would be HUGE for added pedal strike clearance (64*-62* head-angle possibilities! vs. 165mm Hope crank-arm length.

The Profile Elite cranks are awesome (steel is real, superb vibration dampening) BUT, the 3-piece bmx crank setup is horrendous to install/remove and the Profile crank axle/spindle is only 22mm (vs 30mm of the Hope Evo or 24mm axle/22mm spindle mount Canfield crank). Facepalm hmm, but the 22mm Profile axle is steel vs. the others crank options being aluminum. Added vibration dampening at the cranks that isn't carbon fiber...love itSmile

-Deity 'Brendog' bar + direct-mount stem combo**;
+Deity BF800 handlebar, 31.8 aluminum (8* bend X 5* upsweep)
+Deity Intake DM stem, 31.8, 50mm reach (mounting on the -8mm upper-crown brings the stem to a 42mm reach. Matches the 42mm fork offset exactly) ---theoretically 'best' on a medium frame. For a "super-medium" Large frame build I would go 37mm, 38mm or 40mm on the stem reach to shorten up that toptube
-or-
+Deity Micro DM stem, 31.8, 30mm reach (would run in the +8mm crown mount turning it into a 38mm stem)
**Deity direct-mount stems have the WIDEST clamping mount of any company out there today @69mm wide!! For reference, Enve bars have a max-clamp zone width of only 58mm. If I ran either of the Deity DM stem's then I would HAVE to pair it with any Deity handlebar as they allow for the wide clamp of the DM stems.

-aaaaaaaaand Direct-mount stem spacers from North Shore Billet [3mm, 4mm, 6mm spacers--10mm, 9mm, 8mm, 7mm, combos possible]


What did I miss? Smaller jockey wheels on the derailleur? A 1-up/SWAT steertube stealth tool set? Vibration dampening clearcoat tape?? (this is real btw) haha, or Santa Cruz Reserve carbon rims (only 28H for 27.5--yuck)..?? Tell me what's worth checking out that I might have missed.
Love you

STOCK Evil Insurgent LB Park edition (180mm fork! w/46mm stock offset)



Quick question, is the Insurgent engineered for Dual crown? As far as I can remember its the Wreckoning that's engineered for dual crown, I could be wrong but I demoed a Wreckoning months ago and asked the Rep about this cuz I'm interested in the Wreckoning.

https://www.youtube.com/watch?v=BIX-pgqswZY

Posted: Sep 3, 2019 at 8:27 Quote
Bromaphobe wrote:
EvoRidge wrote:
Morgan5518 wrote:
dat boxxer doe
true! lower weight on them boxxers, but most of that forks offset is found in the lower legs. For this reason the 40 is chosen to slam offset inward as close as possible. The added stiffness will theoretically allow me to run more sag for better small-bump, all the while holding better midstroke support in corners because of the extra stiffness. Also added bottom out control and all that jazz.

secondtimeuser wrote:
I mean mis-matching rims is the big standout for me... not even matching brands? Madness.
haha, thanks for the laugh. The front rim is chosen because I want the added dampening and 30mm rim width the Vibracore provides. The Vibracore is apparently too damp as a rear wheel according to reviews...so there's that. ALSO, running an internal rim width of 25mm or greater creates far too wide of a tire profile--SLOWING YOU DOWN. Adds too much drag with 2.4"-2.6" tires. A 23-25mm rim is ideal in the rear to hold better speed on flatter sections of trail AND still be wide enough for the heavy moments. BALANCE.

Pure love..thanks for taking the time to read my thoughts.
:unicornemoji:


So a 25mm internal is far too wide but a 23-25mm is ideal? I;ve never though while riding my vibrocore spike rims "Damn these rims are doing what they advertised too well". Also it's damping, NOT dampening.

Also you're way too light for anything to feel "too compliant"
The difference in rolling resistance between a 25 and 30mm rim is going to be sooo marginal. And going to a single compound tire in the rear for rolling speed but using a duel crown fork?! Your priorities are so strange for this build.

Posted: Sep 3, 2019 at 10:11 Quote
Outsiderbikes aftermarket crown/steer fork offset adjust for the Fox 40 and Boxxer used to have a website--the guy running it can be reached here direct on pinkbike. I'll see what it takes for him to re-launch the site.
https://www.pinkbike.com/buysell/2633566/

Guy1 wrote:
I've never though while riding my vibrocore spike rims "Damn these rims are doing what they advertised too well" [...] Also it's damping, NOT dampening.
Tons of reviews online stating that the Vibracore rims are awesome but they give a 'muted' feel to the trail. There's such a thing as "too much" when it comes to bikes...remember, balance Wink
thank you for sprinkling me with game. Honor

Guy2 wrote:
Quick question, is the Insurgent engineered for Dual crown?
Evil sold an Insurgent LB 'park' that came stock with a 180mm lowered dual crown fork.
Yes...yes it is

dylanvarkonja69 wrote:
The difference in rolling resistance between a 25 and 30mm rim is going to be sooo marginal. And going to a single compound tire in the rear for rolling speed but using a duel crown fork?! Your priorities are so strange for this build.
23-25mm internal rims roll faster in the rear. If Chris Porter says so (mojo suspension, Geometron bikes, ext suspension), then I gotta believe him. 30mm+ internal just makes too wide of a tire profile. Wayy too grabby.

Single compound in the rear tire>>as in single compound rubber. The hard stuff--not that 3c or super tacky rubber that wears away far too quick to be used as a rear tire. Still a DH cased tire
My question about rear tire choice had to do with choosing between a wire-bead Minion SS (1,335g) or the foldable version (975g) based on durability. Had dedicated DH dudes telling me to never run anything but wire bead Maxxis tires--and this was back in 2011 when everything was 26"

My priorities are clear--my intention is just. Seeking criticism
Thanks for playin yall..more please

Posted: Sep 3, 2019 at 10:46 Quote
Chris Porter will also tell you that bike's way too short for you. lol

Posted: Sep 3, 2019 at 10:47 Quote
Chris Porter is a dick

Posted: Sep 3, 2019 at 12:00 Quote
metaam wrote:
Chris Porter will also tell you that bike's way too short for you. lol
which is why I'm building a 'super-medium'.
Large frame, 42mm forkoffset, 40mm stem, 35mm rise bars, 10-20mm stem spacers, slam the seat forward, 165mm or 160mm cranks (undecided), and a damm -1.5* Works Components angle headset

I'm here to shine n put it diiiine

Posted: Sep 3, 2019 at 12:03 Quote
im all for dual crown enduro bikes but i dont think i could write that much up on my own bike and half the bike is custom lol. would be a cool build. go build it and post pics



Posted: Sep 3, 2019 at 12:07 Quote
ktm87 wrote:
im all for dual crown enduro bikes but i dont think i could write that much up on my own bike and half the bike is custom lol. would be a cool build. go build it and post pics



Such a sick build! Absolutely love pretty much every aspect. What suspension is that? Both look Intend-ish but I cant tell! Also how are you finding the gearbox? Always wanted to try one out

Posted: Sep 3, 2019 at 12:37 Quote
james-skipper wrote:
ktm87 wrote:
im all for dual crown enduro bikes but i dont think i could write that much up on my own bike and half the bike is custom lol. would be a cool build. go build it and post pics



Such a sick build! Absolutely love pretty much every aspect. What suspension is that? Both look Intend-ish but I cant tell! Also how are you finding the gearbox? Always wanted to try one out

Dorado with custom crowns if I am not mistaken

Posted: Sep 3, 2019 at 12:41 Quote
^^ yes dorados and custom crowns. shock is a Jade

Posted: Sep 3, 2019 at 14:42 Quote
ktm87 wrote:
^^ yes dorados and custom crowns. shock is a Jade

Nice work sir! They look sweet

Posted: Sep 3, 2019 at 15:37 Quote
Really dig that build KTM...

Evo... lay off the molly and go ride your bike.


 
Copyright © 2000 - 2019. Pinkbike.com. All rights reserved.
dv65 0.024595
Mobile Version of Website