Ask the experts

[rideit]

It's confusing because on the Hayes website there are two measurements listed - a post mount and rotor size. What does the post mount measurement correspond to? When I looked it up my frame appears to have 180mm post mount front and rear, but how would one determine that without looking it up?

Those are bad ass.


So let's say I order 2 180mm post mount 203mm rotor caliper brackets for the A4s, and plan to run a 223 Galfer up front and a 203 in the rear. Would I need to pick up some sort of 20mm shim for the front?

Hey, I accidentally ordered a couple extra 180>223 Adaptors that arrive today, do you want one? $8.00? Better than stacking adaptors, IMO.

[Andeh]

It's confusing because on the Hayes website there are two measurements listed - a post mount and rotor size. What does the post mount measurement correspond to? When I looked it up my frame appears to have 180mm post mount front and rear, but how would one determine that without looking it up?

Those are bad ass.


So let's say I order 2 180mm post mount 203mm rotor caliper brackets for the A4s, and plan to run a 223 Galfer up front and a 203 in the rear. Would I need to pick up some sort of 20mm shim for the front?

You may need different brackets for 220/223 rotors than you'd expect just given whatever your post mount, due to the relationship of the center of rotor vs. mounting point on fork. I.E. it's a different adapter to go from 200 native (i.e. Zeb) to 223 than it is from 180 (i.e. Fox 36) to 203. What fork do you have? For your bike's rear frame mount, you're correct that you need a PM 23mm adapter to run a 203mm rotor. For running a 223 on your fork, it depends on what fork you have (Fox is 180 PM, RS is 180 PM on Lyrik, 200 on Zeb).

It should be clearer if you look at the options below. AFAIK, Hayes doesn't make their own 220/223 adapter.
https://www.hopetech.com/_repository...rChart2021.pdf
https://northshorebillet.com/collect...-brake-adapter

[Boissal]

So let's say I order 2 180mm post mount 203mm rotor caliper brackets for the A4s, and plan to run a 223 Galfer up front and a 203 in the rear. Would I need to pick up some sort of 20mm shim for the front?

NSBillet makes a +43mm PM adapter that is supposed to work with A4s as long as you use their low profile bolts. Might save you from having to stack adapters or use shims. See here: https://northshorebillet.com/product...ant=1112867225

Galfer rotors are indeed pretty steezy and strong, but they do eat pads a bit faster than others, if that's a concern for you.

I've noticed that too, I think the braking surface is a bit narrower than on most rotors and it eats a channel in the center of the pad with a bit of material not being touched at the very edges. Strangely enough I feel that the rotors are flexier than most of the brands but never bend, unlike Shimano rotors which will adopt a permanent kink if you talk too loudly around them.

Curious as to why that might be, material, or just the additional thickness? (Which would be odd?)

I'm running the skinny ones (1.8 mm) so I'm not sure thickness is at play. Either material, the super narrow braking surface, or the many many holes in the rotors?

[east or bust]

Hey, I accidentally ordered a couple extra 180>223 Adaptors that arrive today, do you want one? $8.00? Better than stacking adaptors, IMO.

Hell yea! I'll shoot you a text

[east or bust]

Ok, so my dumbass just had an epiphany and I feel stupid.

My bike (fork and frame) are spec'd at 180mm post mount. So that would mean if you direct mounted a caliper to the fork/frame you could fit a 180mm rotor. On Hayes' website, when they ask you to choose your post mount and rotor size for the caliper adapter the delta is what you're making up.... duh. As Hayes only makes up to 203mm rotors, that's the max size of their adapter. In my case I should be able to use their 180/203 adapter for my frame but will need the 180-->223 for the fork. Got it.

Thanks for the help yall

[RootSkier]

I know this isn't necessarily the "right" place but if there's anybody out there with two spare 180 mm rotors (6 bolt) clogging up their parts bin, I figure it's you dorks, and I could use a set.

[elesquiador]

I know this isn't necessarily the "right" place but if there's anybody out there with two spare 180 mm rotors (6 bolt) clogging up their parts bin, I figure it's you dorks, and I could use a set.

I'm going to have a pair of brand new, unridden 180mm SRAM HS2 6 bolts from a take-off wheelset in 2-3 weeks. Looks like they're about $40 each online new, so how about $40 for the pair, shipped? Probably 1st week of March.

[RootSkier]

Perfect. PM me when they're ready. As long as I get them by mid-March for a UT trip I'm good.

[elesquiador]

You got it.

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[forty]

experts, whats the go to bb for press fit these days?

picked up a canyon grizl that came with pos bb that squeaks like crazy, the damn thing is made of plastic and a fucking joke

stock crank is a fsa gossamer pro modular agx+

debating throwing a grx600 2x10 crankset on

worth swapping cranks?
what bb do i want to match?

not looking to throw $$$ away, but want one that isnt a steaming pile of shit also

[rideit]

Really Impressed with a new Cane Creek I just got. Super simple, easy to access the dust wipers to pack with more grease, perfect tolerances. I’ll post if it creaks after a few wetter spring rides, but I try to never submerge the BB. Remember back when, it was cool to pedal through really deep creeks, just to see if you would make it?

[Roxtar]

experts, whats the go to bb for press fit these days?

picked up a canyon grizl that came with pos bb that squeaks like crazy, the damn thing is made of plastic and a fucking joke

stock crank is a fsa gossamer pro modular agx+

debating throwing a grx600 2x10 crankset on

worth swapping cranks?
what bb do i want to match?

not looking to throw $$$ away, but want one that isnt a steaming pile of shit also

For all pressfit BBs I'd recommend the thread together versions from either Enduro (TorqTite) or Wheels Mfg.
The only way to stop a squeaking PF BB IMO

[Andeh]

What do people actually store in bikes with in-frame storage? For local rides, I've always been fine with a water bottle on the frame, and EDC/plug/pliers in the steerer tube. On longer rides, I wear a hydration vest with a tool roll & first aid kit. Now that I've got the Glove Box feature, it seems a shame not to use it. But I don't want to fill it with heavy crap that I'll never use. Our local trails don't have much in the way of rocks, so the usual recommendations of tubes/tire boot/pump/CO2 aren't needed for me (those stay in the tool roll for trips).

Here's some stuff I've thought of:
EXT 3d printed shock adjuster tool
an emergency gel
zip ties
a tiny roll of Gorilla tape
mini bottle of chain lube (for buddies with noisy chains)
a couple alcohol wipes & a few small-medium sized bandaids for elbow scrapes
micro Leatherman (questioning this - lot of overlap with EDC multi-tool & pliers that are in the steerer tube)

[forty]

Really Impressed with a new Cane Creek I just got. Super simple, easy to access the dust wipers to pack with more grease, perfect tolerances. I’ll post if it creaks after a few wetter spring rides, but I try to never submerge the BB. Remember back when, it was cool to pedal through really deep creeks, just to see if you would make it?

that might be the first time ive ever heard "really impressed" and "cane creek" in the same sentence

fucking 300 bucks?!? yeah hell no to that shit...

For all pressfit BBs I'd recommend the thread together versions from either Enduro (TorqTite) or Wheels Mfg.
The only way to stop a squeaking PF BB IMO

i havent been impressed with enduro bearings... and the wheels man bb also uses them dangit
any other brands use better bearings and not $$$?


anyone have thoughts on crank change being worthwhile or unnecessary?

[XXX-er]

It doesnt matter how big your pack is on the E-bike so I always wear a 30L Dakine apex from the days when bike inspired backpacks were cool

I'm just waiting for them to be cool again

[Andeh]

that might be the first time ive ever heard "really impressed" and "cane creek" in the same sentence

Haha, fair enough, although you'll pry my eeWings out of my cold, dead hands. I wouldn't pay full price for it, but at bro-deal pricing, it's a forever crankset that you know will never ever delaminate.

[smmokan]

What do people actually store in bikes with in-frame storage? For local rides, I've always been fine with a water bottle on the frame, and EDC/plug/pliers in the steerer tube. On longer rides, I wear a hydration vest with a tool roll & first aid kit. Now that I've got the Glove Box feature, it seems a shame not to use it. But I don't want to fill it with heavy crap that I'll never use. Our local trails don't have much in the way of rocks, so the usual recommendations of tubes/tire boot/pump/CO2 aren't needed for me (those stay in the tool roll for trips).

Here's some stuff I've thought of:
EXT 3d printed shock adjuster tool
an emergency gel
zip ties
a tiny roll of Gorilla tape
mini bottle of chain lube (for buddies with noisy chains)
a couple alcohol wipes & a few small-medium sized bandaids for elbow scrapes
micro Leatherman (questioning this - lot of overlap with EDC multi-tool & pliers that are in the steerer tube)

Funny you posted this, I just texted a few friends this morning with the same question as I'm about to get a Stumpy EVO this week. I think you've got it covered- the only thing I notice missing is potentially a water bladder (like the 22oz one that comes with the EVO) for those mid-length rides when you don't want to wear the vest.

[VTskibum]

EVO water bottle is a great idea, thought about that for my non EVO. I’ve kept a tubolito tube and a few co2s in there. Think I may also start carrying a 2oz stans bottle as well.


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[rideit]

[toast2266]

What do people actually store in bikes with in-frame storage? For local rides, I've always been fine with a water bottle on the frame, and EDC/plug/pliers in the steerer tube. On longer rides, I wear a hydration vest with a tool roll & first aid kit. Now that I've got the Glove Box feature, it seems a shame not to use it. But I don't want to fill it with heavy crap that I'll never use. Our local trails don't have much in the way of rocks, so the usual recommendations of tubes/tire boot/pump/CO2 aren't needed for me (those stay in the tool roll for trips).

Here's some stuff I've thought of:
EXT 3d printed shock adjuster tool
an emergency gel
zip ties
a tiny roll of Gorilla tape
mini bottle of chain lube (for buddies with noisy chains)
a couple alcohol wipes & a few small-medium sized bandaids for elbow scrapes
micro Leatherman (questioning this - lot of overlap with EDC multi-tool & pliers that are in the steerer tube)

I always just kept a tube and a C02 in mine.

A lot of people act like frame storage is indispensable. I'm back to bikes that don't have it, and I don't really miss it. I'd use it if I had it, but [shrug].

[skaredshtles]

I laffed.

[Andeh]

Yeah, when I texted my riding buddies with the question, I worded the question like, "Besides weed, what should I store in the Glove Box on the new bike?"

The SWAT water bladder isn't a bad idea. I can think of a few rides where it'd be nice to have more than 1 water bottle, but not carry a pack or bum bag.

[ticketchecker]

Gonna brunch up my Ranger for the coming season.

Fox 34 or new buttercup Pike for a 130 fork?

[XtrPickels]

I'll second the Wheels MFG thread together BB's.

In the frame, I try not to keep anything more than I'd otherwise bring. More storage usually causes people to bring more stuff, and that's not always ideal.

I use the Specialized bag - small bottle of Sealant / Pump / Tire Plugs / Multi-tool and a rag to keep it all from rattling.
With the Cushcore I don't bother with a tube - The Stump Evo typically doesn't get used on big / long days and I've ridden out without issue on the CushCore the 1 time I couldn't get plugs to seal.
For a big day, I throw a Tubolito in there too.

[bagtagley]

The modularity of the GG Smash/Gnarvana is awesome when I'm only going to the park a couple times a year, but I went a good bit last year and plan to go a lot more this year. Swapping between bikes that often gets tedious, and park riding beats the piss out of a bike, which isn't ideal when that bike is also my daily driver trail bike.

What I really want is a DH bike that I can occasionally pedal, minimally. Are freeride bikes still a thing?