Questions tagged [replacement]

Replacing parts, compatibility with existing or new equipment, finding suitable substitutes for old OEM parts, and so forth.

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3 votes
2 answers
184 views

Will a New Horizontal Stem Riser Support a Front Child Seat

I recently bought a Lectric XPedition. My goal was for it to transport my 3 kids, 2 in back and the youngest with a front child seat. When I received the ebike, the collapsible handlebars made that ...
5 votes
2 answers
149 views

Mavic Helium clincher wheels: Replacement Spokes

I have a Mavic Helium clincher wheels and a broken drive side spoke. I need a new one (and would be happy to buy a couple of them including non-drive side) but everywhere I look it seems I would need ...
0 votes
0 answers
31 views

I need to replace my tyre on my hybrid - 27.5x1.95 on the current tyre but struggling to find this size Is there a range of sizes that might fit? [duplicate]

Complete novice here and not sure if the tyre has to be replaced like for like or if there is some wiggle room on the width (1.95) aspect?
1 vote
1 answer
51 views

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 ...
4 votes
1 answer
353 views

How to remove and replace wire pins from axle?

I have a Kent adult tricycle. It has a band brake attached to the rear axle. The brake pad is old and no longer grips, so I need to replace it. Apparently I can't just replace the pad because it is ...
3 votes
3 answers
761 views

Find replacement battery for this e-bike

My ebike battery totally died today. I can't find the model number for the battery as it is not written anywhere. Here are the pictures:
5 votes
2 answers
184 views

Want replacement shifter hoods - how do I find the model of my shifters?

I'm looking for replacement shifter hoods for my bike - the current ones are original, and the bike's 13 years old. I know my bike's a 2010 Specialized Roubaix Expert. I've got the serial number. It'...
2 votes
1 answer
801 views

Broken Shimano FD-R453

I have a Shimano FD-R453 front derailleur that needs replacing. 50t and bottom pull with a 31.8 clamp. There are three gears in the front and 9 gears in the back. Could somebody help me with getting ...
-2 votes
1 answer
90 views

Which chain replacement to use for Cube Aim Race?

Bike is "Cube Aim Race", 29 inch wheels. My chain is so dirty and got rusty, I am bothered to clean it. I actually put a lot of effort into cleaning it, and now I am considering to REPLACE ...
0 votes
1 answer
32 views

Trek crossrip ltd 2015 bottom bracket model

Hello I have a Trek Crossrip ltd 2015 gravel bike. The frame is alpha aluminium 100 series and the bottom bracket is Hollowtech II. What bottom bracket should I replace it with?
4 votes
1 answer
403 views

Fix/replace worn-through side-button on Garmin Edge 520

My cycling computers "down" sidebutton has worn through due to my bad habit of only skipping through data pages using the lower of the two buttons. Rubber has perforated and it fell off ...
8 votes
3 answers
389 views

Replacing crank/spider on belt drive bike (stripped pedal hole)

Edit: The bike is in a place with good mechanics but few shops. As I'm visiting the USA soon, I was thinking perhaps of getting the parts there and having someone competent locally do the repair. I ...
1 vote
1 answer
82 views

Advice on switching from a Continental belt drive to a Gates one

For context this bike is fitted with a Continental CDS drive belt, but the belt broken and as far as I can tell Continental stopped producing these belts so I can't get a replacement and they're also ...
4 votes
2 answers
622 views

What kinds of rear wheel hubs are compatible with my MTB?

I am looking at a rear wheel replacement. I have a Scott Scale 980 with a standard wheel on the rear. Will I need a longer freehub to interface with the wide 12 speed cassette? Or are there general ...
2 votes
2 answers
96 views

How to measure sealed headset bearings angle?

I need to find a replacement headset for an integrated system "IS". I can get the required dimensions by removing the fork and taking headtube and steerer tube measurements by using a ...
1 vote
2 answers
83 views

Difficulties assessing whether drivetrain is worn

I've been a hobby mountain biker for a couple of years now. My bike is getting older and older (10+ years, still 26 inches) and I would like to do more maintenance jobs myself since it is not worth ...
1 vote
1 answer
99 views

What are the dimensions of a Trek Marlin 7 rear wheel quick release skewer?

My Trek Marlin 7 is size large and has 29-inch wheels. I want to replace the broken quick release skewer of the rear wheel and I need help finding a suitable replacement.
4 votes
3 answers
521 views

SRAM GXP crank partially stuck in bottom bracket

I (unfortunately) have a SRAM Apex GXP crankset that I need to replace after less than a year of use because it's garbage. But I can't get the crankset out of the bottom bracket. I've taken the bolt ...
5 votes
1 answer
278 views

Why do the ISO/ETRTO numbers not match the English measure on my Tires?

Given: A flat tire Tire size 47-507, 24 x 1.75 I want to replace both the tire and the tube. But in the shop it's only available 44-507, 24 x 1.75. The tire size of 24 x 1.75 is common to both my ...
9 votes
3 answers
4k views

How to replace Avid BB7 brake pads in "new" calipers?

How do you get new BB7 pads to install in the new caliper bodies? By "new" I mean the ones with the spring steel "cap" on the opening at the "top" of the caliper unit (the side opposite the axle). ...
2 votes
2 answers
610 views

What size replacement brake pads for the Brompton?

What size brake pads are needed to replace the brake pads on a Brompton bicycle? The brake pads on my Brompton bicycle are getting thin, and I would like to buy a replacement pair. There is no ...
5 votes
3 answers
522 views

How to remove the pin on the lower end of the shift cable, to replace the derailleur

I need to replace the rear Shimano XT 7100 derailleur what broke in two at the base. It is attached by the single screw only but there is a metal pin fitted over the tip of the gear shifting cable. ...
4 votes
1 answer
95 views

Old Colner (Campagnolo) frame - What bottom bracket do I need?

Just picked up an old steel Colner frame. Don't know model or year. Tried to put my Sugino bottom bracket in but it's too small. The width of the frame where the bb goes in is 70mm, and internal ...
4 votes
2 answers
2k views

Replacing stem bolts

Rather than replace the stem on every rusty bike I come across, I want to replace some stem bolts which are rusted, cheap original ones. I know they can differ in size a bit so I would get some that ...
3 votes
2 answers
133 views

I need 27 x 1 1/4" sew up tires

What is the new teminology for 27" x 1 1/4" sew ups? There are so many new sizes. It seem like 32-630 would be right, but I can't find any that arn't clinchers. I need new sew ups for my ...
28 votes
8 answers
122k views

When should you replace tires after getting a flat?

A nail punctured my rear wheel tire today while riding. My question is, how do you know if you need to replace a tire or simply repair it with a tube repair kit? The hole looks pretty nasty. The cap ...
2 votes
4 answers
2k views

Can I replace 26 inch tires with 29 inch tires on my Giant Sedona?

The reason I am asking this question is I have pre-ordered a "Switch e-bike Conversion Kit for my new Huffy Rock Creek Mountain Bike that has 29 inch tires. The Swytch system will ship with a ...
5 votes
1 answer
15k views

Putting wider wheels on a hybrid bike

I've recently had a bike donated to me by a friend so I can start commuting to work. It's a hybrid style bike, and uses 700x32C tyres. My ride to work is along a pretty bumpy, muddy canal path and my ...
0 votes
1 answer
656 views

Can I replace a 26x2.0 tire with a 26x2.1 tire ? (Slightly wider) Also what size tube would I use? [duplicate]

I have a bike that’s 25 years old. First flat! Current tire is 26x2.0… can only find a 26x2.1 … will the slightly wider tire be ok? Also what size tube do I use? (26x2.1? … sized same as tires are?) ...
1 vote
1 answer
478 views

What is the largest cassette I can fit on a Canyon Grizl CF SL 7 1by?

I'm considering buying a Canyon Grizl CF 7 1by, but I do a lot of bikepacking in hilly areas, so I'd like to put on a larger cassette to lower the minimum gear ratio. What is the largest cassette that ...
1 vote
1 answer
200 views

Broken screw thread on GRX 800 crankset

I made my gravel-dream bike few month ago by hand. I followed all the user-manual sheets from Shimano in order to properly mount the GRX 800 crankset and the pedals on it. I respected the tightening ...
2 votes
2 answers
230 views

How do I find more reliable equipment for my Shimano CS-M4100, 11-42?

My girlfriend has a Raymon HardRay E-Nine 6.0 2020. She already rode 4000 km with it, basically she drives a lot and its not getting less. The bike reached the point where the chain is slipping all ...
4 votes
2 answers
1k views

How/where can I find replacements for these 'wheel bearing caps'?

I have started the restoration of a bike picked up from the bins. The bike has taken some abuse. The rear wheel axle was broken, same for the two "bearings" caps or dust seals. I am not sure ...
6 votes
2 answers
736 views

Fat tires on a Rhoades Car quadricycle bike?

Ok, we have a Rhoades Car 4 wheel bike. It has a top, fenders and the works. It currently has 20 inch tires on it. Years ago we contacted the company to upgrade to 26 inch tires. We never got around ...
3 votes
1 answer
881 views

How to identify model of Shimano levers/brifters?

Sticky Shimano Brake Hoods How do I find out what brake hoods I have on Shimano levers? Mine have become tacky and sticky and adhere to my gloves! I have Di2 Ultegra and not sure if the levers are ST-...
1 vote
1 answer
512 views

Replacement chain for old Shimano 3x7 STX

I have an old Raleigh MT-200 (which I love as if it were the Old Faithful), with a Shimano STX set.. As per the chain checker tool, I need a replacement chain. I found mostly that Shimano CN-HG40 may ...
6 votes
2 answers
2k views

Can Shimano Ultegra R8000 shifter be compatible with mechanical disc brake?

Im new in road bike and Shimano product as well. I plan to own a China's make product which is Twitter R10 and i wish to change the existing groupset to Shimano R8000 groupset. Here the problem ...
3 votes
2 answers
343 views

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 ...
1 vote
2 answers
221 views

Mechanical Disk Brake Pads Too Thick

I decided to replace my front brake pads since they are worn out beyond function. So after removing the old pads, I made sure the piston was fully out, and the adjusting screw was fully tight as well, ...
4 votes
1 answer
604 views

Is the EW-SD50 connector exclusive to Shimano?

I have a broken EW-SD50 cable. I need a new plug/ connector. Is this a proprietary part from Shimano, or is it an electric component that can be sourced elsewhere?
2 votes
1 answer
143 views

What to look for when buying the new rim (assembled with spokes)

I need to replace my rear rim one more time, because it is very difficult to mount a tire on it. Can I look for something that would help me to avoid this problem second time? Parameter, dimension, ...
6 votes
3 answers
1k views

What to do with a busted freewheel on a vintage road bike?

I have a 1986 Panasonic DX-3000 that I use to commute to work and for casual rides. The freewheel did not survive the winter and the bearing inside it is clearly shot and after changing the chain as ...
6 votes
2 answers
1k views

What is it called when a wheel has a long metal wall on its circumference?

Some bicycle wheel have a tall metal "wall" along the perimeter of the wheel (here, the wall is blue.) Other wheels don't have this: the distance between the end of the spoke and the tire is ...
2 votes
2 answers
193 views

All gears perfect except the fastest gear that does not work at all, after replacing the 9 speed Shimano Deore XT cassette

I have replaced the Shimano Deore 9 speed cassette into another. Both are 9 speed and the teeth count matches (it is 11). The low gears with the new cassette work great at expected, but the 9th (the ...
7 votes
2 answers
1k views

Do I need to remove this DT Swiss ring nut? (360 hub)

I'm swapping bearings on Roval Traverse rear hub, which is said to have DT Swiss 360 internals, 3-pawl. Do I therefore need to remove the ring nut as per normal DT Swiss instructions? If so I'll need ...
0 votes
2 answers
611 views

Replacing a Tiagra FD-4503 front derailleur

Note: Wrong parts were listed originally as Alivio FD-M4000-DS6. Apologies. The broken derailleur was not replaced with the crankset a few years back. I haven't found great information on how to ...
0 votes
2 answers
3k views

KNOG BLINDER ARC 5.5 battery replacement

Can anyone please tell me how I would go about changing the battery over in my light please!!! I have so far taken off the lens cover and have undone the 3 x 1.5mm Allen screws to release the outer ...
2 votes
1 answer
421 views

Broken bottom bracket spindle on spinning bike?

So my spinning bike bottom bracket spindle (axle) broke. Anyone know where can I find a replacement? Here is an image and video of broken part
4 votes
2 answers
686 views

Repair Marin Hawk Hill (cracked frame) or get new bike?

I have a 2017 or 2018 Marin Hawk Hill. It has a cracked frame (see photo). My local bike shop contacted Marin, who said they have a frame that can be used. It would also require a shock replacement. ...
3 votes
2 answers
324 views

Felt F2 2014 Fork advice needed

I got hold of a 2014 Felt 2 56 cm frame without fork, really light frame. In my simple mind I thought I could easily find a fork for this bike. I had a look on here. https://99spokes.com/en-GB/bikes/...

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