Concerning the parts and mechanism of bike gearing, both internal and external. Multi-speed, single-speed, fixed and freewheel.

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4
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2answers
5k views

Can a Shimano Alfine 8 speed be reduced to 120mm hub spacing?

I would like to buy a single-speed bike that happens to have 120mm hub spacing, and add the Shimano Alfine 8-speed hub. That hub, however, seems to have a 135mm spacing. Can the 8-speed Alfine hub be ...
1
vote
1answer
4k views

Is there a tool (or preferred method) for removing the snapring that holds the cog on a coaster brake hub?

I was overhauling a coaster hub the other day. The snapring was recessesed and no screwdriver in my arsenal was small enough to remove the piece. Park recommends using a small screwdriver to remove ...
3
votes
3answers
4k views

Can I lace my hub with all inward or outward facing spoke heads?

It seems conventional wisdom says to alternate inward vs outward spoke heads going around the flange when lacing a wheel, like this: However, I'm wondering what the reason for this is, and if it ...
4
votes
1answer
3k views

How do I clean the inside of a freehub?

I didn't know any better and I let degreaser drip into the freewheel body of my Shimano FH-RM65. Now it makes a terrible retching noise when it rotates. How do I clean the inside of this thing? ...
1
vote
2answers
3k views

100 mm front hub, 94 mm fork dropouts, options?

Simple as that. I thought I could He-Man the fork to fit the hub as it's only 3 mm on either side. Looks like it requires a bit of force and I'm concerned about breaking something in the long-run; ...
0
votes
1answer
797 views

How is the quality of carbon wheelset from taiwan?

Recently I read from some websites, it sells taiwanese carbon wheelset, How is the quality of the carbon rim, spokes and hub from those wheelset made in taiwan ? I didn't see any brand name, so it's ...
0
votes
2answers
268 views

i have an se dirt jumper with 4 sealed bearings in the rear hub, can i convert it from QR to solid axle?

i dont want the quick release for single speed, i want to ditch the skewer for a solid axle to torque it down good for single speed... my LBS mechanic said they couldnt do it but with sealed bearings ...
2
votes
2answers
2k views

What's the cone wrench size?

What's the cone spanner size for cone nut on Shimano WH-R550 Front wheel ? Is it 17mm or 18mm ? I tried with 16, it seems, need more, 1 or 2mm bigger. Thanks
2
votes
1answer
2k views

Can I replace steel bearings with ceramic bearings?

I'm using WH-550 from Shimano, can I replace my steel bearing balls with ceramic bearing balls?
1
vote
1answer
94 views

What 's the size of bearing?

What's the size of ball bearing on WH-R550 hub, is it 1/4" for the front one and rear one ? Can I replace them with 1/4" ceramic bearing ? Thanks
2
votes
1answer
497 views

How to grease a hub?

I have a question about hub, When should I grease my hub ? every 20000 km ? How do I know it needs new grease ? Because I can not see if the grease is dry or not...? Thanks
1
vote
2answers
683 views

Small amount of wobble in wheel

If I grab my [suspension] forks tightly and push against the wheel sideways, there is a slight amount (few millimeters on 26" wheel) of play/wobble from the axle/hub. The QR is done up tightly. Is ...
4
votes
1answer
954 views

Why are axle cone nuts on the left side of a bike not reverse threaded?

I recently discovered that the adjustable sealed bearing cartridges on my rear hub failed prematurely because one of the "cones" (cartridge shoulder nuts) had somehow tightened itself, putting undue ...
0
votes
1answer
311 views

Raleigh Twenty forks too narrow to accept 93mm hub

93mm hubs are standard size for the R20s but on this particular bike there isn't enough clearance between the fork ends to get a wheel in (I'm using an original R20 wheel as a replacement so it's ...
1
vote
3answers
294 views

One vs Two Piece Axle?

After finding out my bike has a road rear (130 mm) & disc brakes, it's been difficult to source rear hubs. Cyclocross allows disc brakes, and more commuter/cx frames are appearing but all seem to ...
5
votes
2answers
2k views

Sturmey Archer 3-Speed Hub Slipping?

I'm about to go look at a 1972 Raleigh. The seller says that the bike slips out of third gear into neutral. Is this a simple fix (e.g. a cable adjustment), or should I stay away from such a ...
6
votes
4answers
4k views

Trouble getting the right cup and cone hub adjustment

I have a pair of Shimano XT wheels and recently had issues with the hub on the rear wheel requiring new cones and bearings. These were fitted carefully but I've had issues getting the right adjustment ...
3
votes
1answer
625 views

Does Enduro make a ceramic hybrid wheel bearing kit for WTB Laser Disc Lite hubs?

I would like to replace the bearings in my front and rear WTB Laser Disc Lite hubs. I'm interested in upgrading the OEM steel bearings to a ceramic hybrid. I've hear that Enduro is a quality ...
4
votes
1answer
422 views

How to service a 1995 Schwinn Phantom Coaster Brake hub?

I have a 1995 Schwinn Phantom beach cruiser with a coaster brake that I'd like to service. The coaster brake is staring to feel sloppy and hasn't been looked at in a long time. What tools will I ...