Questions tagged [frames]

Bicycle frame construction, selection, maintenance, and repair.

40 questions with no upvoted or accepted answers
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853 views

Help identifying MTB frame

Apologies making ANOTHER one of these threads...Anyhows: Bought a bike third hand, frame has been stripped and painted. Trying to find make & model so I can get some offset bushings for the shock. ...
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246 views

Help Me Identify My Uncle's Old Elevated Chainstay Bike

Please help me identify my uncle's old bike. I will greatly apppreciate all of you that willing to help mi. Thanks to all in advance who help!
3
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0answers
214 views

Void in carbon frame seat tube, is it dangerous?

While assembling a carbon bike, I found this void in its seat tube. It's about 1/2 inch X 1/4 inch in size and I'm guessing almost a third to half the depth of the tube wall. Since it's right next ...
3
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0answers
112 views

Bike Frame Identification

Does anyone have any leads on what make/model/year of frame this is? I spotted this bike last summer and it's been nagging at me ever since. I love the design and am trying to track down who is ...
3
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0answers
385 views

Please Help me identify my Bike Logo

Hello can someone help me identify my bike Frame?. It has this weird Logo and a Serial number of : "2948" . It has Suntour Dropouts likely NJS. Thanks!
3
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0answers
465 views

Help identify this loop frame bike

I'm trying to find out more information about this old loop frame bike I'm planning to refurbish. I haven't found any other marks that may be identifying, if there's anything else I can take a photo ...
3
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0answers
501 views

Help identifying a Bianchi track frame

I've been trying to identify this Bianchi track frame - any help would be appreciated! Closest I've come is Eco Pista from early 80s, but I'm absolutely no expert on the matter. The numbers on the BB ...
2
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1answer
226 views

Is this old steel frame MTB too big based on standover clearance?

Background: I'm a road bike rider but I bought a cheap but well kept old chro-moly steel frame 26er mountain bike (80s or early 90s model Miyata). I am planning on converting this to an ebike with a ...
2
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0answers
146 views

Please help me identify this bike frame?

Please help me identify this bike frame for I am a newbie/novice. I will greatly apppreciate it. It appears similar to some 1950s Huffmans, but I am far from certain. Thanks to all in advance who ...
2
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763 views

BMX frame logo identification

I have a BMX frame with a stylised "h" on the rear forks. Can anyone ID it for me?
2
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0answers
158 views

What kind of frame and brakes are these?

I just bought a bike and I can't figure out what kind of frame and brakes it has. I found that the derailleurs were made by DNB Japan somewhere around 1960 and that the handlebar is french (Guidonn ...
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111 views

Chain vs seatstay with a 50T Chainring - BMX frame

I plan to put a 50T chainring on my bmx but I am afraid to have an interference between the chain and the frame. Does anybody know what is the critical distance between the seatstay and the chain so ...
2
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1answer
322 views

Is this a real Concorde or just a replica?

I'm confused with this, the lugs in this bike look identical with another Concorde but the tubing sticker clearly says "Reynolds". (Concorde only uses Colombus, right?)
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81 views

Help identify a frame

could someone help me identify a mountain bike frame, the rear triangle of the frame has square tubing, it's a late 90s early 00s frame.
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254 views

Help me identify bike frame. Repainted, but have serial number

I got this bike second hand, accordingly to the previous owner it should be a rocky mountain. He said that he repainted the bike and created new stickers for it. I couldn't find a similar rocky ...
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0answers
91 views

identifying a mtb frame

about one or two years ago my brother has brought this bike home and i am now thinking of restoring it. It has an alloy frame unsure of the size but the wheels are 27.5", feels strong and solid... But ...
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159 views

Can anyone identify this green frame?

Like many others, I found this aluminum frame bike that is pretty light and in great shape. The bike has been converted to disc brakes and I believe that everything is aftermarket. Serial number ...
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88 views

Rear shock mounting hardware for Felt Virtue 2015

I recently bought a Felt Virtue 2015 aluminum frame. Just wondering if anyone else who bought the same frame have the correct sizing for the rear shock mounting hardware. For reference this is the ...
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97 views

Help in identifying our newest project

Any help getting info on this bike would be great. Only tags/badges are a Japan stamp and a diamond with a 5 in the middle under the frame. Thought maybe a Japanese knockoff from Schwinn but the bars ...
1
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0answers
171 views

Replace Viner Settanta seat post securing wedge

My seat post wedge has been removed. There seems to be loads of different styles and shapes depending on the make and model of frame. Does anybody know if any other makes will fit it as having trouble ...
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0answers
170 views

Identifying a brazed steel frame

I'm trying to identify this brazed steel frame I came across. Any help would be greatly appreciated.
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161 views

Can anyone identify this second hand bike?

I am looking into getting a new (for me) road / TT bike and this came up but I think it isn't a Specialized Shiv... many thanks
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207 views

What frame is this?

Could you help to find out the brand, type, & year model of this MTB frame? The "Gary Fisher" decal was added later and is not correct.
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0answers
2k views

Lowrider style bent forks techniques

Would a 24 inch bent fork fit on a 20 inch frame? Is there even a 24 inch fork? Would a 26 inch fit? Also if it doesn't fit in could I just add to the 20 inch - would you be able to extend it making ...
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298 views

Help identify this frame

I'm not sure what brand this is at all. Any help would be much appreciated. I've tried looking up the serial but i am unsure what the last serial number is. It appears to be a "b" or "6" but I am ...
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95 views

My brother gave me a bike for my son, its a Diamondback. Serial # is F5C94618, C is backwards. Can anyone help me with some more info on this

My brother gave me a Diamondback for my son, I'm guessing it's an 85' but not sure. S# is F5C94618 (the C is backwards). Thanks for the help.
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62 views

carbon frame bike ktm revelator 4000 2017 damaged

KTM 2017 revelator 4000 in the bottom of the frame I have noticed this failure/puncture. Would you trust the damage here in the picture?
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85 views

Can I use mtb rigid fork in touring frame?

I am looking to change my fork because of some issue(broken). My problem is my headtube is the standard ec34, which is why I can't use tapered fork. So, I am looking at some mtb rigid fork, which have ...
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60 views

Carbon Specialized Sirrus X5.0 Help

I am very new to this thread and seeking help from an experienced bike enthusiast. I just purchased the aforementioned bike in the title and after bringing it home for inspection(bought brand new from ...
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63 views

What is this BMX?

I got this bike from a friend for free. I was wondering what brand could this bike be? Has Quando Hubs, Odyssey Pedals, Kenda Tires but no logo on the actual body itself.
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75 views

Dent in Lower Aluminum Frame Of Cannondale Cyclocross

Recently purchased this bike second hand. How concerned should I be of this dent? It’s about midway down the lower frame.
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80 views

HELP!! What is this bike frame?

Hello all, I've won this triathlon frame on Ebay for £150 but have yet to pay. Apparently Vision have never made frames and deal only in components (according to their customer service). Is this some ...
0
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131 views

Downhill bike frame conundrum

So I am starting a bike from scratch and really want a downhill frame as I'll be riding downhills and commuting. How and what parts could I use and add to the frame so it is able to commute though I ...
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54 views

BMX bike brand frame

Can you help to tell me what this frame is
0
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227 views

Bike Frame Brand and Model?

enter image description hereI purchased this bike at a thrift shop and it rides like a dream. Out of curiosity I'm trying to figure out the make and brand. The parts on it seem to be very nice so I'...
0
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3answers
5k views

Do I have a genuine GT frame, even though it's not engraved or stamped with the GT logo?

How can I know whether the bike frame I have is a genuine GT? I found the serial number u31036009 on the bottom of the hub. It has no GT logo stamp or engraving anywhere on it. Could it still be ...
-1
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1answer
79 views

Can anyone help identify this stamp please

Need help to identify this bike please
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1answer
74 views

What frame is 20" bike

It's the frame from a box bike stamped where the rear wheel goes on I don't know the logo.
-1
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1answer
252 views

can you help me identify my haro frame?

Ive been searching on the internet and i could not find the name of this frame.
-2
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1answer
90 views

Santa Cruz but idk which model and year, please!

Hey can someone please tell me the model and year of this Santa Cruz frame I just bought... thanks!