School me on dropper posts
#1
Senior Member
Thread Starter
Join Date: Jul 2009
Posts: 1,753
Bikes: 1986 KHS Fiero, 1989 Trek 950, 1990 Trek 7000, 1991 Gary Fisher Hoo Koo E Koo, 1992 Trek 1400, 1997 Cannondale CAD2 R300, 1998 Cannondale CAD2 R200, 2002 Marin San Rafael, 2006 Cannondale CAAD8 R1000, 2010 Performance Access XCL9R
Mentioned: 7 Post(s)
Tagged: 0 Thread(s)
Quoted: 284 Post(s)
Liked 385 Times
in
207 Posts
School me on dropper posts
I have a 2010ish Performance Access XCL 9r that was a gift a few years ago. I've ridden it as is ever since...
Well, the stem riser was a temporary sacoriliac issue solver... It has been removed since this picture.
Bike has 3x9 mix of parts and Avid BB5 brakes. I have enjoyed riding with the Salsa Woodchipper bars and Sora brifters, but I'm changing things to move to flat 750mm bars Deore XT brake levers and Microshift 3x9 shifters for now. Perhaps Advent or Advent X later. The switch is because I'm needing more leverage on tighter trails than the drop bars give me. As I am looking at tighter, faster trails. My son and his kids are starting to ride trails, so I need to be a good dad/granddad...
Wondering if a dropper post will be something I want or need later. It's a 31.6mm post, It has a road bike style seatpost clamp currently, but looking to swap a quick release clamp whether I go dropper post or not.
Well, the stem riser was a temporary sacoriliac issue solver... It has been removed since this picture.
Bike has 3x9 mix of parts and Avid BB5 brakes. I have enjoyed riding with the Salsa Woodchipper bars and Sora brifters, but I'm changing things to move to flat 750mm bars Deore XT brake levers and Microshift 3x9 shifters for now. Perhaps Advent or Advent X later. The switch is because I'm needing more leverage on tighter trails than the drop bars give me. As I am looking at tighter, faster trails. My son and his kids are starting to ride trails, so I need to be a good dad/granddad...
Wondering if a dropper post will be something I want or need later. It's a 31.6mm post, It has a road bike style seatpost clamp currently, but looking to swap a quick release clamp whether I go dropper post or not.
#2
Senior Member
Join Date: Oct 2016
Location: San Mateo,Ca.
Posts: 3,984
Bikes: TRIMMED DOWN THE HERD
Mentioned: 46 Post(s)
Tagged: 0 Thread(s)
Quoted: 1090 Post(s)
Liked 935 Times
in
600 Posts
It all depends on what kind of riding you'll be doing. If you'll be riding a lot of technical downhill portions or even fast downhills, then yes on the dropper. Easier to shift your butt over the rear wheel. PNW makes some inexpensive ones. I have a TranzX on my 2001 Stumpjumper and love it.
Likes For 2cam16:
#3
Disco Infiltrator
Join Date: May 2013
Location: Folsom CA
Posts: 13,446
Bikes: Stormchaser, Paramount, Tilt, Samba tandem
Mentioned: 72 Post(s)
Tagged: 0 Thread(s)
Quoted: 3126 Post(s)
Liked 2,102 Times
in
1,366 Posts
Droppers get the seat out of the way when you want to move around standing on the pedals.
You should do 1x and the dropper at the same time. The lever takes the place of your front derailleur pull lever, and the cable routing goes about the same way (assuming bottom pull derailleur). You will need an external routed dropper. Most of them now are internal or “stealth”
How much travel you can use depends on your fit. You can get an overall max length for you, and compare it to what’s published for your post. It might be blocked from full depth by a bottle boss especially on a medium frame.
https://pnwcomponents.zendesk.com/hc...me-and-height-
Your bike has kind of a mast at the seat tube and not much post showing so I’m guessing you will be doing 125 mm or 100. It’s possible to cut the mast down if you are ambitious.
Nearly all droppers are zero setback so consider that for the fit.
You should do 1x and the dropper at the same time. The lever takes the place of your front derailleur pull lever, and the cable routing goes about the same way (assuming bottom pull derailleur). You will need an external routed dropper. Most of them now are internal or “stealth”
How much travel you can use depends on your fit. You can get an overall max length for you, and compare it to what’s published for your post. It might be blocked from full depth by a bottle boss especially on a medium frame.
https://pnwcomponents.zendesk.com/hc...me-and-height-
Your bike has kind of a mast at the seat tube and not much post showing so I’m guessing you will be doing 125 mm or 100. It’s possible to cut the mast down if you are ambitious.
Nearly all droppers are zero setback so consider that for the fit.
Last edited by Darth Lefty; 01-18-21 at 02:37 AM.
#4
Senior Member
Pass, you don't have enough seat post length with your current setup. You might get 20mm of saddle drop with a dropper.
#5
Senior Member
Join Date: Jun 2015
Location: North Central Wisconsin
Posts: 4,621
Mentioned: 14 Post(s)
Tagged: 0 Thread(s)
Quoted: 2975 Post(s)
Liked 1,178 Times
in
769 Posts
Dropper posts are used for downhill riding. Given the geometry of that bike and the handlebars...I wouldn't be riding that thing down hill.
Get yourself a real mountain bike.
Get yourself a real mountain bike.
#6
Senior Member
Join Date: Jul 2013
Location: Nor-Cal
Posts: 3,767
Bikes: lots
Mentioned: 7 Post(s)
Tagged: 0 Thread(s)
Quoted: 1958 Post(s)
Liked 2,932 Times
in
1,489 Posts
As posted in #4 you have your seat so low that you'd probably never find a dropper that would work. 50mm of drop is useless anyway.
Likes For cxwrench:
#8
Senior Member
Thread Starter
Join Date: Jul 2009
Posts: 1,753
Bikes: 1986 KHS Fiero, 1989 Trek 950, 1990 Trek 7000, 1991 Gary Fisher Hoo Koo E Koo, 1992 Trek 1400, 1997 Cannondale CAD2 R300, 1998 Cannondale CAD2 R200, 2002 Marin San Rafael, 2006 Cannondale CAAD8 R1000, 2010 Performance Access XCL9R
Mentioned: 7 Post(s)
Tagged: 0 Thread(s)
Quoted: 284 Post(s)
Liked 385 Times
in
207 Posts
It all depends on what kind of riding you'll be doing. If you'll be riding a lot of technical downhill portions or even fast downhills, then yes on the dropper. Easier to shift your butt over the rear wheel. PNW makes some inexpensive ones. I have a TranzX on my 2001 Stumpjumper and love it.
Droppers get the seat out of the way when you want to move around standing on the pedals.
You should do 1x and the dropper at the same time. The lever takes the place of your front derailleur pull lever, and the cable routing goes about the same way (assuming bottom pull derailleur). You will need an external routed dropper. Most of them now are internal or “stealth”
How much travel you can use depends on your fit. You can get an overall max length for you, and compare it to what’s published for your post. It might be blocked from full depth by a bottle boss especially on a medium frame.
https://pnwcomponents.zendesk.com/hc...me-and-height-
Your bike has kind of a mast at the seat tube and not much post showing so I’m guessing you will be doing 125 mm or 100. It’s possible to cut the mast down if you are ambitious.
Nearly all droppers are zero setback so consider that for the fit.
You should do 1x and the dropper at the same time. The lever takes the place of your front derailleur pull lever, and the cable routing goes about the same way (assuming bottom pull derailleur). You will need an external routed dropper. Most of them now are internal or “stealth”
How much travel you can use depends on your fit. You can get an overall max length for you, and compare it to what’s published for your post. It might be blocked from full depth by a bottle boss especially on a medium frame.
https://pnwcomponents.zendesk.com/hc...me-and-height-
Your bike has kind of a mast at the seat tube and not much post showing so I’m guessing you will be doing 125 mm or 100. It’s possible to cut the mast down if you are ambitious.
Nearly all droppers are zero setback so consider that for the fit.
Basically, wanting to keep this bike on the trail another year or two. At least. I know it's not a serious name brand gonzo machine, but that isn't what I want or need. SO it is tough to justify the expense of a new "REAL" MTB... And besides, my next bike is more than likely going to be fat bike.
I can see having the 1x and dropper done at the same time is a good idea. I haven't decided yet on how many teeth chain ring to get. But understand the narrow/wide concept.
I also have a nice Cannondale CAAD8 for speed, a couple older Cannondale road bikes (97 and 98 R series bikes) and my first real road bike, an old 1986 KHS... Just no budget for a new bike right now.
Likes For zjrog:
#9
Senior Member
Join Date: Sep 2015
Location: Left Coast, Canada
Posts: 5,126
Mentioned: 24 Post(s)
Tagged: 0 Thread(s)
Quoted: 2236 Post(s)
Liked 1,314 Times
in
707 Posts
Just ignore the "real mountain bike" stuff. Not only would you need to buy a real one but it would also have to be expensive as well.
I can see how a low travel dropper could be used in this case to make a more trail capable gravel grinder rather than a full on technical mtb. You want aero positioning for the flats and some drop for downhills. Perhaps consider a wider set of dirt drops instead of flats so you don't have to change the brifters. If that works it will be cheaper.
As noted, you could probably cut down the seat mast a bit and would have to consider whether the bottle boss lower in the seat tube will limit how far into the tube the dropper will go. That would give you at east about 100mm of travel.
Basically, it would be a one size fits all generalist bike. Not the best technical downhiller, nor the best pure gravel grinder. But, if you don't need uber bikes for each of those activities, and just want one general bike that does both instead of two specialized bikes, then a low travel dropper and wider bars might give you a little more control.
I can see how a low travel dropper could be used in this case to make a more trail capable gravel grinder rather than a full on technical mtb. You want aero positioning for the flats and some drop for downhills. Perhaps consider a wider set of dirt drops instead of flats so you don't have to change the brifters. If that works it will be cheaper.
As noted, you could probably cut down the seat mast a bit and would have to consider whether the bottle boss lower in the seat tube will limit how far into the tube the dropper will go. That would give you at east about 100mm of travel.
Basically, it would be a one size fits all generalist bike. Not the best technical downhiller, nor the best pure gravel grinder. But, if you don't need uber bikes for each of those activities, and just want one general bike that does both instead of two specialized bikes, then a low travel dropper and wider bars might give you a little more control.
Likes For Happy Feet:
#10
Senior Member
Thread Starter
Join Date: Jul 2009
Posts: 1,753
Bikes: 1986 KHS Fiero, 1989 Trek 950, 1990 Trek 7000, 1991 Gary Fisher Hoo Koo E Koo, 1992 Trek 1400, 1997 Cannondale CAD2 R300, 1998 Cannondale CAD2 R200, 2002 Marin San Rafael, 2006 Cannondale CAAD8 R1000, 2010 Performance Access XCL9R
Mentioned: 7 Post(s)
Tagged: 0 Thread(s)
Quoted: 284 Post(s)
Liked 385 Times
in
207 Posts
Just ignore the "real mountain bike" stuff. Not only would you need to buy a real one but it would also have to be expensive as well.
I can see how a low travel dropper could be used in this case to make a more trail capable gravel grinder rather than a full on technical mtb. You want aero positioning for the flats and some drop for downhills. Perhaps consider a wider set of dirt drops instead of flats so you don't have to change the brifters. If that works it will be cheaper.
As noted, you could probably cut down the seat mast a bit and would have to consider whether the bottle boss lower in the seat tube will limit how far into the tube the dropper will go. That would give you at east about 100mm of travel.
Basically, it would be a one size fits all generalist bike. Not the best technical downhiller, nor the best pure gravel grinder. But, if you don't need uber bikes for each of those activities, and just want one general bike that does both instead of two specialized bikes, then a low travel dropper and wider bars might give you a little more control.
I can see how a low travel dropper could be used in this case to make a more trail capable gravel grinder rather than a full on technical mtb. You want aero positioning for the flats and some drop for downhills. Perhaps consider a wider set of dirt drops instead of flats so you don't have to change the brifters. If that works it will be cheaper.
As noted, you could probably cut down the seat mast a bit and would have to consider whether the bottle boss lower in the seat tube will limit how far into the tube the dropper will go. That would give you at east about 100mm of travel.
Basically, it would be a one size fits all generalist bike. Not the best technical downhiller, nor the best pure gravel grinder. But, if you don't need uber bikes for each of those activities, and just want one general bike that does both instead of two specialized bikes, then a low travel dropper and wider bars might give you a little more control.
This bike IS a good all around bike. It is fast on pavement, though limited by MTB chainrings. While it rolls decent with the 700x54s, I have another set of wheels with 700x40s. It is good in the dirt and sand, depending on the tires I choose. I won't be riding through trees, but big rocks.
I just grab the bike I have for the ride I want, depending on who I ride with. My CAAD8 with 2x10 SRAM for now, only comes out with the fast guys, and I do my best to keep up. My old KHS, with 2x10 Shimano 105, is good for every day rides. My 97 and 98 Cannondales are both 3x7, and will stay that way, can't fit wider hubs for 9, 10, 11 speeds. The 98 is on semi-permanent indoor trainer duty, with lightweight older triathlon wheels. They look cool, but are too low spoke count for my Clydesdale self. The 97 is waiting on a few newer parts... I toyed with a Marin hybrid for gravel. Has a suspension fork, but is really quite tall. And limited to 1" steerer tube, and 700x42 in the chain stays. Not sure if I'll finish it or not. Though I can fit the 700x54s I use on the 9r, in the front suspension fork... At least it can use V or disc up front...
Yeah. Real bikes... I'm poor, and don't have bike envy issues. I'm poor because I have a Jeep...
#11
Senior Member
Join Date: Jun 2015
Location: North Central Wisconsin
Posts: 4,621
Mentioned: 14 Post(s)
Tagged: 0 Thread(s)
Quoted: 2975 Post(s)
Liked 1,178 Times
in
769 Posts
It's funny how people want to "mountain bike' and ride trails but never want to invest the money in the proper tool for the job.
#12
Senior Member
Join Date: Sep 2015
Location: Left Coast, Canada
Posts: 5,126
Mentioned: 24 Post(s)
Tagged: 0 Thread(s)
Quoted: 2236 Post(s)
Liked 1,314 Times
in
707 Posts
Dude isn't "really getting into" mountain biking and doesn't want to spend for a new bike. He's a grand dad (who broke his back) that wants to ride basic stuff with his kids.
The bike will do fine.
Likes For Happy Feet:
#13
Senior Member
Thread Starter
Join Date: Jul 2009
Posts: 1,753
Bikes: 1986 KHS Fiero, 1989 Trek 950, 1990 Trek 7000, 1991 Gary Fisher Hoo Koo E Koo, 1992 Trek 1400, 1997 Cannondale CAD2 R300, 1998 Cannondale CAD2 R200, 2002 Marin San Rafael, 2006 Cannondale CAAD8 R1000, 2010 Performance Access XCL9R
Mentioned: 7 Post(s)
Tagged: 0 Thread(s)
Quoted: 284 Post(s)
Liked 385 Times
in
207 Posts
I have no intention of riding serious gonzo trails, I'm too busted up to do that these days. But I can still enjoy riding easier trails with what I have. My 29er is an XL frame, might not be the most fashionable, but it is lighter than I expected. And works fine. My old Trek 7000 was fine for chasing my grandkids on a BMX track recently...
I was asking for opinions/advice on dropper posts, not full bikes...
#14
Senior Member
Join Date: Mar 2007
Location: SF Bay Area, East bay
Posts: 7,644
Bikes: Miyata 618 GT, Marinoni, Kestral 200 2002 Trek 5200, KHS Flite, Koga Miyata, Schwinn Spitfire 5, Mondia Special, Univega Alpina, Miyata team Ti, Santa Cruz Highball
Mentioned: 52 Post(s)
Tagged: 0 Thread(s)
Quoted: 1604 Post(s)
Liked 2,569 Times
in
1,217 Posts
I would consider it if you were doing a lot of downhill/singletrack. If it's more cross country, then stay with what you have. You could change to a quick release seat collar and manually drop before long downhills.
#15
Senior Member
Thread Starter
Join Date: Jul 2009
Posts: 1,753
Bikes: 1986 KHS Fiero, 1989 Trek 950, 1990 Trek 7000, 1991 Gary Fisher Hoo Koo E Koo, 1992 Trek 1400, 1997 Cannondale CAD2 R300, 1998 Cannondale CAD2 R200, 2002 Marin San Rafael, 2006 Cannondale CAAD8 R1000, 2010 Performance Access XCL9R
Mentioned: 7 Post(s)
Tagged: 0 Thread(s)
Quoted: 284 Post(s)
Liked 385 Times
in
207 Posts
#16
Senior Member
Join Date: Mar 2007
Location: SF Bay Area, East bay
Posts: 7,644
Bikes: Miyata 618 GT, Marinoni, Kestral 200 2002 Trek 5200, KHS Flite, Koga Miyata, Schwinn Spitfire 5, Mondia Special, Univega Alpina, Miyata team Ti, Santa Cruz Highball
Mentioned: 52 Post(s)
Tagged: 0 Thread(s)
Quoted: 1604 Post(s)
Liked 2,569 Times
in
1,217 Posts
I noticed your stem extension and figured you weren't running on the double black diamonds. Giving you a for sticking with it.
#17
Senior Member
Thread Starter
Join Date: Jul 2009
Posts: 1,753
Bikes: 1986 KHS Fiero, 1989 Trek 950, 1990 Trek 7000, 1991 Gary Fisher Hoo Koo E Koo, 1992 Trek 1400, 1997 Cannondale CAD2 R300, 1998 Cannondale CAD2 R200, 2002 Marin San Rafael, 2006 Cannondale CAAD8 R1000, 2010 Performance Access XCL9R
Mentioned: 7 Post(s)
Tagged: 0 Thread(s)
Quoted: 284 Post(s)
Liked 385 Times
in
207 Posts
I used that for a little while last year while fighting off a sacroiliac joint issue. This getting older stuff is no fun, worse when older injuries and mental head games take over... Thanks. If you stop moving, you stop moving...
#18
Senior Member
Join Date: Mar 2007
Location: SF Bay Area, East bay
Posts: 7,644
Bikes: Miyata 618 GT, Marinoni, Kestral 200 2002 Trek 5200, KHS Flite, Koga Miyata, Schwinn Spitfire 5, Mondia Special, Univega Alpina, Miyata team Ti, Santa Cruz Highball
Mentioned: 52 Post(s)
Tagged: 0 Thread(s)
Quoted: 1604 Post(s)
Liked 2,569 Times
in
1,217 Posts
Wife, who is good at throwing away my old tshirts, bought me this. Been my motto for a while...
#19
Senior Member
Join Date: Jun 2015
Location: North Central Wisconsin
Posts: 4,621
Mentioned: 14 Post(s)
Tagged: 0 Thread(s)
Quoted: 2975 Post(s)
Liked 1,178 Times
in
769 Posts
However the dude indicated otherwise...
The dropper post was developed so that mountain bikes could be pedaled uphill with optimum power transfer (by having the seat higher) and then dropping it out of the way before hitting the downhill trail. If he's not doing any of that, then a dropper post isn't necessary. Especially on the type of bike he posted in that picture.
Likes For prj71:
#20
Randomhead
Join Date: Aug 2008
Location: Happy Valley, Pennsylvania
Posts: 24,386
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
Liked 3,686 Times
in
2,509 Posts
I think a short dropper post would work on that bike. It's really nice if you might need to put your foot down. And also starting back up can be a lot easier. Doesn't take much for me.
#21
Disco Infiltrator
Join Date: May 2013
Location: Folsom CA
Posts: 13,446
Bikes: Stormchaser, Paramount, Tilt, Samba tandem
Mentioned: 72 Post(s)
Tagged: 0 Thread(s)
Quoted: 3126 Post(s)
Liked 2,102 Times
in
1,366 Posts
I’ve definitely found myself using the dropper post nearly all the time too. Even on rides with the kids to the park. The full height is only optimal if you’re in a steady cadence.
__________________
Genesis 49:16-17
Genesis 49:16-17
Likes For Darth Lefty:
#22
Senior Member
Join Date: Sep 2015
Location: Left Coast, Canada
Posts: 5,126
Mentioned: 24 Post(s)
Tagged: 0 Thread(s)
Quoted: 2236 Post(s)
Liked 1,314 Times
in
707 Posts
Everyone has their own set point for what they choose to spend their money on.
Fortunately, I am not the arbitrator of what is "necessary" for someone else.
#23
Advanced Slacker
Join Date: Feb 2017
Posts: 6,210
Bikes: Soma Fog Cutter, Surly Wednesday, Canfielld Tilt
Mentioned: 26 Post(s)
Tagged: 0 Thread(s)
Quoted: 2761 Post(s)
Liked 2,534 Times
in
1,433 Posts
Droppers make any bike better for trail riding. 1990 Rigid, 2000 Hardtail, or 2020 FS bike, Wide flat bar, drop bar, any of these will benefit.
The main issue is going to be if you have enough room to run one. How much seat post do you have exposed when the seat is all the way up?
Your bike is fine to ride on real trails. Put a 750mm bar and short on that and you will have a more capable bike than I what was riding in the late 90s on the same trails people are now riding modern FS bikes on.... I was just slower.
The main issue is going to be if you have enough room to run one. How much seat post do you have exposed when the seat is all the way up?
Your bike is fine to ride on real trails. Put a 750mm bar and short on that and you will have a more capable bike than I what was riding in the late 90s on the same trails people are now riding modern FS bikes on.... I was just slower.
Likes For Kapusta:
#24
Senior Member
Join Date: Jan 2013
Location: Norman, Oklahoma
Posts: 5,395
Bikes: Too many to list
Mentioned: 36 Post(s)
Tagged: 0 Thread(s)
Quoted: 1765 Post(s)
Liked 1,124 Times
in
746 Posts
we all survived on full rigid machinery with 1.9 Panaracer Smokes, - guys with money might have had a Rockshox with 50mm of travel. Not saying todays bikes arent insanely better, but we managed to have a good time back then nonetheless
#25
Senior Member
Join Date: Jun 2015
Location: North Central Wisconsin
Posts: 4,621
Mentioned: 14 Post(s)
Tagged: 0 Thread(s)
Quoted: 2975 Post(s)
Liked 1,178 Times
in
769 Posts
Droppers make any bike better for trail riding. 1990 Rigid, 2000 Hardtail, or 2020 FS bike, Wide flat bar, drop bar, any of these will benefit.
The main issue is going to be if you have enough room to run one. How much seat post do you have exposed when the seat is all the way up?
Your bike is fine to ride on real trails. Put a 750mm bar and short on that and you will have a more capable bike than I what was riding in the late 90s on the same trails people are now riding modern FS bikes on.... I was just slower.
The main issue is going to be if you have enough room to run one. How much seat post do you have exposed when the seat is all the way up?
Your bike is fine to ride on real trails. Put a 750mm bar and short on that and you will have a more capable bike than I what was riding in the late 90s on the same trails people are now riding modern FS bikes on.... I was just slower.
If he has a bad back as claimed...the best thing he could do is get something with a little more squish that is easier on the body.