enter image description here can you please let me know what kind of frame I have

  • 1
    Is it steel or aluminium alloy? You can tell using a magnet. – Criggie Jul 15 '17 at 7:47
  • Is there any sort of logo or decal on the other side or on the head tube? – Criggie Jul 15 '17 at 7:48
  • Do you have any more parts, like the fork and wheels and transmission ? – Criggie Jul 15 '17 at 7:48
  • 1
    You answered so quickly @Criggie, that I didn't have time to respond with my usual: "Black bicycle frame. No markings suggest it might be stolen." type of snarky comment. – RoboKaren Jul 15 '17 at 19:24
  • 1
    @Criggie - lol. I'll remember that for next time: "Looks like a black bicycle component. Very don't give valuations but if we did, $0.10 - $3." – RoboKaren Jul 15 '17 at 21:59

It's a BMX or a child's bike - built to be a single-speed because of the horizontal rear dropouts.

The external cups on the headset suggest a newer bike, not a vintage.

The brutish-square box section might help identify it - apparently many companies used square box, more so in the rear.

Example: Redman (as an example of box section in use) enter image description here

  • It's not a Redman. Look at those beautiful welds and tube shaping on the Redman compared to the crap welds on the OP's bike. – RoboKaren Jul 15 '17 at 19:26
  • External headset cups are older technology, integrated appeared in the 2000s. This is opposite from bottom brackets. – ojs Jul 15 '17 at 19:55
  • @RoboKaren the Redman one was simply an example of box section frames, it was not my intent to suggest that as a brand. Maybe its a home-made frame? TBH I can't really see the welds on the original photo. – Criggie Jul 15 '17 at 21:43

It looks like it is a low grade BMX frame designed for 20 inches wheels. Caliper brake mount time The picture is not clear but looks like it is a steel frame rather than Alloy one.

  • Yes, I don't think you can get quite as ugly welds with aluminium (note that steels and most metals used in bikes are all 'alloys'). Check the rear dropouts. I think they might just be using spot welds!!!! – RoboKaren Jul 15 '17 at 19:28

It kinda looks like a red line triple x think 1997 or so with the square tubing but can't tell for sure

  • Got a link or a photo to corroborate your suggestion? – Criggie Jul 17 '17 at 20:27
  • The rear dropouts seem quite different from the Redline bikes I see on Google. – Daniel R Hicks Jul 18 '17 at 3:04

It's a hawk from the 1990's....

  • 2
    Welcome to SE - please consider adding some supporting information to corroborate your claim. Also take a moment to read the tour and learn how StackExchange works - its a Q&A site not a common chat forum. Requests for trades, swaps, buying/selling and valuations are all off topic. – Criggie Jan 9 '19 at 10:28
  • I'm going to leave this answer in place, and hopefully Jesse will expand it with further info. Otherwise it could be a lead for OP. We'll let the votes speak. – Criggie Jan 13 '19 at 7:14

Not the answer you're looking for? Browse other questions tagged or ask your own question.