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Questions tagged [dropouts]

For questions about dropouts on bicycles. Dropouts are a kind of fork end where the wheels are attached; we often use "dropout" for any slot to hold the axle at the end of forks, but strictly speaking, a dropout is a fork end where the wheel can be removed from the frame without taking the chain off first.

2 votes
2 answers
319 views

135mm rear hub with QR on 130mm rear dropout spacing on older aluminum frame MTB

Problem: I had a rear wheel built to 135mm, but the frame is 130mm. The frame is an older aluminum MTB frame. I assumed it was 135mm rear dropout spacing (being a mountain bike) when ordering the new ...
E2R0NS's user avatar
  • 123
0 votes
1 answer
41 views

Fitting dropbars on Whyte 429 - advised road levers wont match Deore rear-mech, Alternative wanted matching rear mech/gravel shifters

I have a Whyte 429, aiming to switch to drop bars but not sure I can match the rear mech with Road/lever shifters. Seeking an alternative, i.e., installing a matching rear mech and road/gravel ...
Iain's user avatar
  • 1
4 votes
1 answer
311 views

Converting Belt Drive Bike With Paragon Sliders to Conventional Cassette

My internal gear hub broke on tour in Kenya, and now I'll need to convert my bike to use locally available parts. The frame uses Paragon Machine Works sliding dropouts who makes inserts which would ...
daddyblondlegs's user avatar
4 votes
1 answer
229 views

Rear dropout nut constantly slipping

I've had this issue with my Kalkhoff Agattu (now out of warranty) basically since day one. The nut on the drive side of the rear dropout doesn't hold the wheel tightly enough, and it gets gradually ...
user72619's user avatar
3 votes
1 answer
89 views

Are locknut forks and quick release forks the same and interchangeable?

I have a frame+fork that had old style locknuts on the wheels. I used those wheels for a project. Now I want to put wheels back onto this frame, but I only have quick release wheels in the same size. ...
i_like_bikes's user avatar
3 votes
4 answers
585 views

How do you keep disc brakes on internal hubs aligned with the caliper?

I'm contemplating building up a new commuter bike, and I'd like internal gearing and disc brakes. Internal gears require horizontal dropouts. Disc brake rotors however must be aligned with the caliper ...
generic_user's user avatar
1 vote
1 answer
76 views

Loud squeal from front wheel - mechanical disc brake, QR axle

Been very frustrated with this. On my genesis croix de fer (less than 1 year old) I get a squeak or squeal that gets progressively worse as I ride. Particularly when going over rough ground or when I'...
Ally M's user avatar
  • 81
0 votes
1 answer
461 views

135mm Hub in 141mm Boost QR

I may be barking up the wrong tree, but I have the following project in mind. I'm looking to buy a bike (Giant Fathom E+EX) that is listed as having 141 QR Boost drop-outs in the rear. I want to ...
Pete's user avatar
  • 169
5 votes
1 answer
622 views

Nut dents on stamped dropout

Problem with stamped dropouts on singlespeed. There were dents from the nuts. It became inconvenient to operate the bike (the wheel is poorly fixed and constantly moves out). It is impossible to ...
ayr's user avatar
  • 153
2 votes
1 answer
380 views

Are dropout adjustment screws necessary on an indoor trainer?

I have a 2007(?) Cervelo P2C with horizontal rear dropouts, and I noticed recently that one of the dropout adjustment screws had bent. I plan to replace it, but until I do so is there any issue with ...
whege's user avatar
  • 123
4 votes
3 answers
463 views

Gap between fork and dropout

I’ve just bought a secondhand bike (with an ~80’s Dawes steel frame) and on checking it over I noticed there’s a gap on one side of the forks, where it meets the dropout. The top side and bottom of ...
sp4rky-boi's user avatar
3 votes
1 answer
155 views

Tire rubbing on frame

I have an old Sutter bicycle. I recently hit a curb which knocked my rear wheel out of alignment. When set all the way into the dropouts, the wheel touches the frame. I can fix this by putting the ...
Matt's user avatar
  • 33
4 votes
1 answer
871 views

Protecting Threads on a thru-axle dropout

My bike uses a thru axel and as I use an indoor trainer quite a bit, I remove the back wheel quite often. I'm concerned about the threads. If they get destroyed on the dropout nut, the manufacturer ...
Killesk's user avatar
  • 163
2 votes
1 answer
436 views

What is the minimum end-cap diameter that a 12 mm fork should accommodate?

I have a fork with a 12 mm axle. As it happens, the flat part inside the dropout that buts up against the hub end-cap is large enough to accommodate a hub designed for a 15 mm axle (using a reducing ...
Will Vousden's user avatar
  • 4,021
2 votes
0 answers
40 views

Are there tugnuts made to fit forward facing horizontal dropouts on a Pashely Parabike? [duplicate]

Are there tugnuts to fit forward facing horizontal dropouts for a Pashley Parabike? Internal gear hub.
Tony McDonald's user avatar

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