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Questions tagged [dropouts]

The tag has no usage guidance, but it has a tag wiki.

1
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2answers
51 views

Vertical dropout chips for Civia Bryant

I have a Civia Bryant that has horizontal dropouts and an Alfine rear hub. The Bryant had interchangeable vertical/horizontal dropouts I didn’t get the vertical dropouts from the shop when I bought ...
3
votes
2answers
132 views

Why aren't vertical dropouts truly vertical?

Making some custom rear dropouts (vertical) for a project (nonstandard bike, they must be custom) and as I look to dropout examples, I notice that "vertical" dropouts never seem to have the slots ...
6
votes
2answers
150 views

Anti-rotation washers (non-turn) washers in non-parallel dropouts?

I have a Shimano Alfine 11 Interally-geared hub and am fitting it to an "M5 559 shockproof" recumbent. The wheel is built and true and runs nicely. However I have a problem with the anti-rotation ...
1
vote
2answers
76 views

Bike axle block/reverse chain tug?

I just recently obtained a classic style bike frame that has horizontal fork-ends (people call them dropouts but they're different). I wanted to use hollow axles and skewers on this bike but I think ...
1
vote
3answers
191 views

How to install a Rohloff Speedhub on a Surly Troll with rear facing horizontal fork ends

I have a Surly Troll with rear facing horizontal fork ends. Is there a recommended way of installing a Rohloff Speedhub 14 on the Surly Troll? These answers mention tugnuts and washers, but perhaps ...
1
vote
2answers
206 views

Specialized Rockhopper derailleur hanger needed…which one?

I need to know which drop out hanger I need for this Specialized Rockhopper. Part of the frame is chipped at the dropout but it will still bolt on. I just don't know which hanger I need.
2
votes
2answers
193 views

Can I replace a 135mm/5mm QR hub with a 10mm-diameter IGH?

I have a bike whose rear wheel has "quick-release 5 x 135mm". Will I be able to replace this rear hub with an in-gear hub that has "Length 135 mm, Axis diameter 10 mm" (this is the N380 hub)?
1
vote
1answer
69 views

Cannot fit wheel into dropouts

I recently bought a wheelset that supports 11sp and 10sp casettes. The wheelset came with a 2ish mm spacer. I have previously owned a 10sp wheelset that had a 1mm spacer. I have been told that for 10 ...
2
votes
1answer
74 views

Can I upgrade a Hercules Dirtrider 26" with gears and a disk brake?

I found that dropouts are needed for derailleur setup & fork space>120mm...can I install any hanger or weld a dropout to the frame?...and also the fork end gap was around 105mm in wheel fitted ...
6
votes
1answer
445 views

What is the purpose of this rear dropout screw?

I am a long time MTBer who just got my first road bike. This is a photo of the left rear dropout. The screw I'm talking about is the little silver one just above the axle. There is a groove cut into ...
2
votes
1answer
212 views

134mm rear dropout spacing on Al frame

My bike has an aluminium frame and I measured 134mm rear dropout spacing. The wheel it came with has 130mm OLD. The dropouts are quite a bit flexible, the QR pulls them in on tightening. This is the ...
3
votes
1answer
406 views

Is it possible to mount a derailleur on this bike?

Is there a way to mount a derailleur on this bike?
3
votes
1answer
667 views

Is this just the paint cracks?

It is on the dropout of my new tarmac, one month old. The shop owner said "It's normal for this side to crack it might be from the chain" But when I did test the chain it didn't touch the frame (...
1
vote
1answer
125 views

Rear wheel drop-out adjustment (1-speed)

I've got round to my Twenty/Shopper and besides replacing the tyre also went ahead and got a new KMC chain. Of course, the links were somewhat shorter, and so I couldn't cut it just right without ...
1
vote
3answers
184 views

Dawes Galaxy OLN and horizontal dropouts

I want to build up a steel framed commuter/light tourer/utility bike with hub gears. A Dawes Galaxy from the 1990s era looks about right to provide the frame. But I want 135mm rear dropout spacing (...
2
votes
1answer
326 views

Locking Skewer slipping from rear wheel dropout

I recently purchased new locking skewers (Kyrptonite WheelNutz) and they're slipping out of rear wheel dropout with little force. I've noticed they have zero bite on the nut compared to other skewers. ...
5
votes
1answer
364 views

Why do low-quality bikes have horizontal dropouts, even though they aren't fixed speed?

Though convenient vertical dropouts and standard derailleur mounting are appearing on low-end bicycles, a lot still use horizontal dropouts, without any fittings for trim to return the wheel axle to ...
4
votes
2answers
293 views

Need I mount my wheel flush to the top of my fork ends?

Using 28c tires with a recently purchased carbon fork, I found I had only ~1mm of tire clearance from the top of the brake caliper. However, if I mount my wheel slightly lower in my fork ends so that ...
4
votes
1answer
997 views

Ritchey carbon MTB fork dropout wear

I was inspecting my carbon fork dropouts and I noticed the deformation of the edge on the outer side of the right dropout that makes me unhappy. I don't know what is the reason of this issue. Here are ...
5
votes
1answer
555 views

Shimano Nexus 3 — what anti-rotation washer to use?

As I described in my previous question, I attempted a gradual conversion from a dérailleur to a Shimano Nexus 3 gear hub. I have installed the hub, keeping the dérailleur's pulley for now, with ...
0
votes
3answers
2k views

My rear wheel shifts in the dropouts, what could cause this?

I weigh 175 lbs. and I can put some good torque into my compact double (I'm riding a steel frame). I'm having trouble with my wheel coming out of the dropouts, or becoming misaligned. It's a big ...
0
votes
1answer
338 views

I removed the drop-out adjusters… Do I need to adjust my derailleur or add chain or both?

I have an old 1998 Lemond Zurich, and I recently purchased new wheels. The old bike had drop-out adjusters. When I added the new wheels I felt like my bike was rubbing against the brakes, then all of ...
2
votes
1answer
69 views

Columba folder w/mountain 10sp cassette & Sram X7 derailleur

On my bike the derailleur mounting bracket (hanger) is held by the hub axle and therefore fills some of the dropout slot on one side and pushes the axle lower in the slot on that side. So the axle is ...
3
votes
3answers
935 views

What causes frames to break at the (rear) dropouts?

The drive-side dropout and rear axle have broken twice. It's an old-style freewheel, not a freehub+cassette. (I weigh around 100kg, and ride a lot, and have been touring on hilly, gravel roads, with ...
0
votes
1answer
5k views

Replacement Dropouts with derailleur hanger for Kona Unit

A friend of mine has a single speed Kona Unit and wants to make it geared. The model he has (likely 2012 or 2013 model) uses sliding dropout. He currently has single speed dropout plates without a ...
4
votes
1answer
2k views

How do I fit this pair of chain tensioners on my single speed bike?

I have these chain tensioners: How do I install them correctly on my single speed bike? Do they go on the inside or outside of the frame? My dropouts look something like this: Apologies if the ...
0
votes
1answer
554 views

would I be able to put new rear wheel with 12mm x 142 axle on my 2007 RM Element 70 frame?

would I be able to put new rear wheel with 12mm x 142 axle on my 2007 RM Element 70 frame in terms of dropouts compatibility?
3
votes
2answers
231 views

brand new fixie, different sized dropouts - send back?

i recently purchased a cheap fixie bike on ebay, brand new. it arrived today and looks great, but when i tried to attach the front wheel i realised that the right dropout is slightly (1mm) larger than ...
3
votes
1answer
470 views

Quick Release Rack with Horizontal Dropouts

I own a 1980s Panasonic (steel) road bike without eyelets for a rack or fenders, and I'd like to add a rack. The seat stays and chain stays on this bike are a bit thinner than I'd be comfortable to ...
2
votes
3answers
5k views

Rear wheel rubs frame after tire change

I recently changed the rear tire and paid no attention to the original working state of the rear derailleur. After a miserable attempt at resembling, I lost what I now think was the Derailleur bolt ...
2
votes
1answer
509 views

Derailleur problems - rear mech slipping forward

I have been riding my Trek Fuel Ex 8 for a few years now, and as I have improved, I have been attacking more challenging terrain. I have started to notice a problem in my rear mech - the link arm ...
3
votes
1answer
412 views

Tire size / rear dropout incompatibility?

Recently my commuter bike (cannondale quick 5) was stolen, so I decided to get an old road bike off of craigslist - a '91 specialized sirrus triple. The guy I bought it from had bought it new, used ...
4
votes
1answer
2k views

smallest cog of cassette rubbing on seatstay

I built up a NOS late 90s steel frame with a similar era Campagnolo Chorus 9 speed groupset. Has gone well, except the stays/dropouts don't seem to quite like a 9 speed cassette. The second smallest ...
1
vote
1answer
342 views

Derailleur Hanger replacement for GTS R5 road bike frame

I'm looking for an online site where I can buy a derailleur hanger replacement for my GTS R5 road frame. The frame is the one in the picture (http://4.bp.blogspot.com/_0EL4iQdWrYE/TDLCN-kYeQI/...
5
votes
1answer
5k views

Rear dropout adjustment screws on fixed-gear conversion

I have a Surly Cross-check that I absolutely love and adore to pieces. I've also converted it from a geared bike to a fixie and am wondering if I still need the adjustment screws (see picture, in case ...
1
vote
3answers
5k views

Can a (relative) beginner adjust spacing on a 501 cromo road frame?

Have acquired a cheap old Peugeot road bike from ebay; nice cromo frame, but it needs a new rear wheel and unfortunately I didn't check the dropout size before buying. It has an OLD of ~120mm, but I ...
1
vote
1answer
786 views

Will a track wheel work with the dropouts on my frame?

I've got an old 7 speed steel frame. I've ordered a track wheel with a spacing of 120mm. My frame has correct drop outs for it, but does it have the correct spacing? If not, what are my options? ...
6
votes
3answers
4k views

Are there tugnuts made to fit forward facing horizontal dropouts?

Are there tugnuts meant to fit forward facing horizontal dropouts such as those on a Surly Cross Check, All City Space Horse, or Salsa Cassaroll which won't block rack and fender bosses and keep wheel ...
6
votes
5answers
14k views

“Proper” cycling posture on a road bike with drop bars?

Sometimes I feel a little pain in my lower back after cycling (nothing too long, mainly cycling around London for general commuting...5-10Km). It could be due to a number of reasons (I have a bad back ...
4
votes
1answer
319 views

How to find a frame given a geometry

In 2007, I bought my first bike: a Bianchi Boardwalk 2006. It was a great bike, but I didn't treat it well and it now needs about $300 worth of work. I've been thinking that maybe I'd like to take ...
18
votes
6answers
16k views

Rear wheel slipping out under load

My commuting/cyclocross bike (a Surly Crosscheck) has a problem. If I tighten the quick release skewer to a normal level, sort of firm to close it, then if I step on the pedals hard at some point, ...