Questions tagged [hub]
Concerning the parts and mechanism of bike gearing, both internal and external. Multi-speed, single-speed, fixed and freewheel.
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Rear hub boot/seal rotates?
I've had my bike since new in 1993. I rebuild the hub bearings every so many years. I recently rebuilt the rear after letting it go for too many years and had a nagging question:
(Reference the ...
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What do I need to adapt a Hope Pro 4 to a Boost 141 frame?
I have a 2021 Trek Roscoe 7 and I’m looking to buy a rear Hope Pro 4 hub. My Trek comes stock with a Formula DC-2241 rear hub, alloy, 6 bolt, Shimano 8/9/10 freehub, Boost141, 5mm QR. The rims are ...
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Hyperglide vs HG10/HG11/HG12
What is the difference between "Hyperglide" cassette and HG10/HG11/HG12 cassette? I thought the later are also of "hyperglide" kind.
Is the freehub body for the former cassettes ...
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Hub spacer behind 105 cassette
While removing Shimano 105 cassette, I noticed a spacer sitting on the hub between the largest sprocket and the place where spokes attach to the hub (not sure how is it called).
I checked the 105 ...
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Scott 965 hub Problem
Good afternoon, I recently bought a Scott 965, I chose this bike for the beauty of it and the equipment it came with, I wanted to change to a bike with sealed bearings and leave the bearings Sphere ...
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Trek shift three rear 8 speed deraileur, in smallest cog the drive train seems to slip and re-engage in under a quarter turn?
Recently I have a new shifter on handlebar, new cable, had the chain replaced and a new cassette and a new rear deraileur.
Wondering a about the Hub in the wheel?
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Cone and lock nut adjustment on the drive side is impossible on my back wheel
The right side cone is covered with a cup style spacer and the cone wrench cannot be used to fully tighten the lock nut. I think this metal cup serves as some kind of seal. How can I retighten cone ...
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Rear wheels are dished. Why not "dish" the frame instead?
Most rear wheels are dished to make room for the cassette. They have the drive side spokes comming into the hub more perpendicularly, which weakens the wheel against lateral forces in that direction. ...
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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 ...
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What part of the hub is referenced when speaking of hub length?
In the attached image, you can see a measure of 32 and 36 mm being mentioned for the length of a bike hub. What are these measurements? I have searched and found that axle, flange or even spoke holes ...
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Help needed: identify hubs TRW 9000
I bought this old randoneering frame
It came with TRW 9000 hubs. I've done lots of web searches but couldn't find anything.
Has anyone out there seen them before or know anything about them?
Cheers,
...
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What if use Effigear gear box and Alfine 11 gear hub together?
What if we use two types of planetary gear hubs together? Like Effigear and Shimano Alfine 11. First on the pedals and second on the back wheel?
Will it increase number of transmissions? Or increase ...
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Missing end cap
I bought a used bike, and I didn't notice the end caps were missing from the front wheel.
I don't know the model or the manufacturer of the hub, there are no markings.
It is a 12x100 thru axle fork
...
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15mm hub on 12mm fork
I need to get a 15mm hub without end caps to fit a 12mm fork whose dropouts look like this (note that the black part has a lip):
When my SON dynamo's bearings went out on a cycling tour here in ...
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Weird behaviour of rear hub thru axle
recently my rear wheel started wobbling so I wanted to check its rear hub, bearing and axle.
I have a Shimano HB-RS470 hub which is a thru axle hub, and it look exactlly like the one in the picture ...
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12×142 wheels in 10×135 frame?
let me first say that I don't have a lot of experience on this topic so my questions will basically be two-fold: First ask if my observations and assumptions about the gear I have is correct and then ...
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Safely removing DT swiss bearings to re-use them
I have a DT swiss 350 rear hub and the axle does not rotate freely. Rotation is smooth (not rough) but with noticeable amount of resistance. I have to pinch the axle hard with my fingers to even ...
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Accomodating new wheel on old bicycle
I have a bicycle from the 1980s. Steel front fork. I am replacing the 27 1/4 wheels with 700cc. The new front wheel hub is 96mm wide between outer face of the bearing housings. The front fork has an ...
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Wheel hub adjustment
My rear wheel was wobbly so I tightened the hub bearing which removed the play but caused the wheel to stop rotating freely. Stupid question I suppose, but is the adjustment just a matter of trial ...
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Rear 146cm hub axle (quick release) for a frame with 130mm Over Locknut dimension?
I have rear wheel (freewheel) that I can reuse for an older bicycle (130mm between dropouts) .
As the source bicycle frame has more width than necessary for this hub, there are metallic washers that I ...
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New wheels: WTB KOM Tough with 32 spokes sufficient?
I'm having a set of new wheels get built and I am opting for WTB KOM Tough's 29 inch rims with 32 spokes. The inner width will be 25mm.
I'll be using this bicycle for touring/bikepacking/commuting - ...
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Shimano WH-RS80 Hub measurments
Where I can locate the measurements for a Shimano FH-RS80 hub? They were used on the early C20-30 wheels from Shimano, usually Ultegra-labeled with Dura Ace wheels, and some were off road Deore. The ...
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11 speed MTB cassette on 11 speed road hub (once again!)
Before I start: I know a similar question has been already answered here, but this time it comes with a twist. So here I go:
My setup:
11 speed road hub - stock on on my DTs
11 speed MTB cassette - ...
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What size rear hub will fit a Trek FX1?
I have a Trek FX1 and the rear hub size 135x5mm. I want to change the hub to 135x10mm; is that going to be a problem?
Also, my bike is v-brake system. If the hub I want to fit has a disc brake mount, ...
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Schwinn Collegiate 26" Front Wheel Cone Lock Nuts?
I'm fixing an old Schwinn Collegiate, and the front hub may or may not have been worked on before. I'm finding no cone locknuts. On one side, there is a tabbed washer. 2 ear tabs hold the cone on 2 ...
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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 ...
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Tuning tightness on XT rear hub
So, background... I just got done replacing the freehub body on my Deore XT FH-M8000 rear hub. I did this because the hub was "grabbing" when it should have been coasting such that the hub ...
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Replacement Rear Wheel for Islabikes CNOC 16 (O.L.D. 110 mm)
I own an Islabikes CNOC 16. The CNOC 16 need a new rear wheel; the CNOC 16's rear wheel (16 x 1.35 / 34-305 / 14t freewheel / M30 thread) rim and spokes are damaged after I partially backed over tire ...
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What's this Knocking from rear hub when coasting at high speed
I recently started to notice a rhythmic clicking sound coming from the rear of the bike, when coasting, several weeks ago. I ride an average of about 10 miles per day. This sound was intermittent, and ...
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20 inch wheel HOLLOW HUB
I have a 20 inch wheel with 28 spokes.
The hub has no bearings but a slot in it to accept a pin in axle.
As the axle turns, pin keeps wheel from slipping on axle.
Who made it, no one knows. I have ...
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Is it normal for a front hub to have 9 1/4" balls similar to the rear hub?
My front hub Joytech D341RCC have 9 1/4" balls, same as my rear Joytech hub.
But they say that front hubs have 10 3/16" balls.
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convert 2015 Trek fx 7.4 from shimano 3x 9speed to sram rival 1
My rear hub is a Shimano rm30 alloy hub. I want to put a Sram Rival 1 drivetrain 42t .1x 11speed with a srm pg1130 11-36 cassete. what do I replace the Shimano hub with? Does the whole wheel need ...
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What stops the axle from rotating against the inner part of the ball bearings in through-axle systems?
With traditional Quick Releases, the fork or frame attaches firmly through pressure (applied by the QR) to the axle. The axle becomes effectively part of the frame or fork.
With the (more modern) ...
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Can I replace just the internals of a wheel's hub instead of the whole wheel?
After a while (e.g. 10 years or 40,000 km) the bearings in the hub of a wheel become worn-out -- this is with disk-brakes i.e. where the wheel's rim isn't worn-out.
The bike shop told me that it's not ...
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Cracked hub seal ring—will it be a problem?
I just bought a mid-quality used wheelset for an excellent price, which came with the caveat that one of the seal rings on the front hub is cracked (see following images for context). The wheels are ...
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Does a z-shaped cone wrench exist?
This is a massive cone, and I was under the mistaken belief that if it remains perfectly smooth, I can either overhaul it yearly, or grind it with a Dremel and repack the grease every two years, and ...
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Sturmey Archer 3-speed hub adjustment
I am going crazy here. I have a SA SRF3 mounted on a 16 inch wheel Dahon bike I bought second hand. The bike needed some love and I managed to put it to my liking. Unfortunately I reached a dead end ...
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What kind of Freehub body is this?
What kind of Freehub body is this? It looks like an old Uniglide but the threads go all the way down, and it's very short (as I hope you can tell with the ruler).
It's on an unbranded hub attached to ...
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Can I convert a WTB LaserDisc Lite hub to 15mm thru axle?
I have a pair of wheels that are WTB LaserDisc Lite quick release hubs laced into Mavic 717 rims.
I would like to convert the front hub from QR to 15mm thru-axle. WTB sell replacement hub parts on ...
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What ball bearings for the hub of the front and rear hubs of DT Swiss dt r24 db Spline 2016?
Removed the end caps, but can't read the size w/o removing the bearings since the red side doesn't have any text on it.
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Tune freehub pawls damaged?
Sorry to bother you again with another weird question. On my gravelbike with Campagnolo Ekar and tune Prince CL rear hub (3 teeth, N3W freehub body), I removed the rear wheel for a routine task and ...
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Are Shimano cone part-numbers sold in packs of ten and not available to consumers because they are meant to be dealer items?
I see that Shimano has part numbers for every washer, nut, and cone in each hub, but these are sold in boxes of count 10.
Is the idea that these (cones, in particular) are consumables and one would ...
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Can I put a different manufacturer’s freehub body on my hub?
Can I replace my Mavic Cross One freehub body with a non-Mavic one? I want to switch to Shimano microspline.
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Serivce Manual for Specialized full sealed bearing thru axle hub
I have a Specialized Tarmac SL6 which comes with "Specialized full sealed bearing thru axle hub". I tried searching for the hub specifically but cannot find any number or series on the back ...
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Can QR cause Brinelling in hub bearing?
I received a new bike with a rough front hub bearing. Turning the axle indexing is noticeable, that when slowly turning the bearing it repeatedly snaps into the same position.
It is a cup-and-cone ...
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What Shimano microspline rear wheel hub would fit my 26in Mavic Cross ride wheels?
Title.
I purchased a new Deore 1x12 groupset without realising I would need to change the rear hub to fit the new microspline Shimano introduced a couple of years ago.
What would the Shimano rear ...
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looking for new rear hub/ wheel for 2014 SPECIALIZED DEMO 8
I'm looking for a new rear wheel or hub to go on my 2014 Specialized demo 8, cant find many, needs to be 12mm X 148-150mm, i can find some, but not many that are 10 speed, all 11 speed, any help or ...
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Does it make sense to change the orientation of unmoving bearing components to equalize wear?
I was intrigued by one of the points mentioned in this question regarding grease fills, namely:
[...] which means that the ball bearings get to distribute the load over the entire surface area, ...
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How much grease should I use to pack hubs?
The "NLGI consistency number (sometimes called “NLGI grade”) expresses a measure of the relative hardness of a grease used for lubrication".
How much grease should I use to pack hubs? Should ...
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