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Member Since 13 Sep 2005
Offline Last Active Oct 18 2018 06:53 PM

#554441 The looptail quad prototype

Posted by GREG_HANNA on 28 September 2018 - 06:05 PM

Bump for Steve's registry. There are some pics serial numbers and weights in this thread. Also some who may still own theirs???? Curt weighed his wide loop with the top of the seat mast broke off....... 5lb 9oz. 

#554327 The Early Killer Quadangle Kits... anybody got the goods?

Posted by GREG_HANNA on 12 September 2018 - 04:14 PM

I know someone that has 2 OG Looptail Killer Quad completes.

#547728 Belt Drive for BMX

Posted by GREG_HANNA on 18 May 2016 - 04:04 PM

Curt, Nice work with citing a powerplant prodigy, Smokey was a genius! I was going to interject the same info. regarding timing chains VS. gears or timing belts. Timing belts are also superior to chains in terms of keeping precise timing over longer periods of time. However, are more prone to catastrophic failure over the course of it's lifespan, which is the only reason it is recommended to change timing belts more frequently than timing chains. This not to say that timing chains never fail catastrophically, because they do as well.


I have seen bicycle chains wear exceedingly quickly, when proper tension is not maintained or chain is not properly lubed. I have seen bicycle chains break. Perhaps belt drive can  provide prolonged service intervals with less chance of catastrophic failure?


I will enjoy following the evolution and eventual acceptance or rejection of the concept. Personally I like it, look how long it took the industry to adopt the Cook Uni-Clamp idea. I think the  belt drive concept has taken longer, but it may be here to stay.

#546600 RIP Dave Mirra

Posted by GREG_HANNA on 05 February 2016 - 07:28 PM

So disappointing and sad. Such a young man with so much ahead of him! Prayers go out to his family and friends.


I speak from experience and can attest that concussions are not an insignificant injury. At the age of 20 I suffered a severe concussion that put me in the hospital for 7 days, in all I was  horizontal for just over a month. I could not get vertical without severe dizziness, blurry vision, nausea, and headaches. I also could not look at moving pictures or objects without the same symptoms. I can tell you that I was not the same person after that 1 injury. Personality changed, as I became less patient, more introverted, quiet, too serious, and less social with unfamiliar people or places. Parents sent me for therapy as I thought it was depression. I finally came to the realization that that concussion had to be at least be a component of what was happening to me and that I was not depressed just needed to be OK with me now.


With what we now know about CTE........I cannot even begin to imagine what it must be like for someone who has had several.

#545700 Speed Unlimited/Thruster...

Posted by GREG_HANNA on 02 December 2015 - 08:05 PM

Based on the details reported I would say it is a 95% chance it is a Vanishing Point. The Jamie Burrows Replica was made from early 79 to late 79 and renamed Vanishing Point in late 1979.

#545679 Speed Unlimited/Thruster...

Posted by GREG_HANNA on 01 December 2015 - 11:36 PM

Can you post a close up pic of the brace behind the BB and a closeup of where the head tube gusset bends in the V shape. The BB brace was flat on most if not all the frames made in 1978 and sometime up until late 1979 the head tube gusset was was fully welded around the V bend at both the top and bottom tube. They stopped doing it late 1979 to alleviate stress right at those points as it was causing stress cracking in the top and bottom tubes. It worked and the stress cracking issue went away.


Also I believe the stamping is some kind of municpal registration, I know many police stations used to offer it in case a bike was stolen and recovered. I have not ever seen a Thruster that was stamped with serial number from the Factory....though it is possible some of the last ones from 84 were.


18 1/2 " top tube is either a Jamie Burrows Replica or a Vanishing Point, depending on when it was made. Both frames were identical though.

#543318 Hutch Aerospeed Relic

Posted by GREG_HANNA on 03 June 2015 - 10:04 PM

Bill's Grove Innovations Hot Rods cranks used the tri-lobe design mating end, 2 piece crank, with the oval tubing. I think he introduced them in 1987 or 88, and were what he wanted the Aerospeeds to become. 


The Hot Rods were very reliable, but had a short life span as it was difficult to drive the MTB market from aluminum 3 piece cranks. They are extremely desirable in the high end boutique MTB collecting circles.


The confrontation between Bill and Richard was extremely contentious. Richard really stepped on his johnson and lost the most valuable asset his company had.

#542760 MCS seat post clamp - can you date it ?

Posted by GREG_HANNA on 29 April 2015 - 06:52 PM

That seat clamp is seen on the MCS Magnum 2000 & Magnum 240 tests in May 82 Super BMX. You really have to zoom in to see them, but the beefiness and shape of the clamp are obvious if you look closely.


Available in 82, and maybe earlier.


P.S. That exact blue one is mine.

#540798 name these forks ?

Posted by GREG_HANNA on 27 January 2015 - 10:25 PM

The oversized crown at the bottom of the steer tube is also too large to be Tange ARX.


The Pro Lightning fork had that type of over sized crown. With 1979 & later Tange forks this oversized crown is usually indicative of Mild or Hi Ten steel forks rather than Cro Mo. The Pro Lightning forks were made by Tange so they carried the Tange stamp and date code, they were just inexpensively produced. They may also be lower end Raleigh, Cycle Pro, or ?? as Tange built forks for many different companies. 

#540777 name these forks ?

Posted by GREG_HANNA on 26 January 2015 - 07:00 PM

Huffy Pro Lightning, welds are lousy. I am pretty sure There were 2 or 3 quality levels of Pro Lightning, the better ones had the legs capped and no washer holes in the drops.


Tange ARX had nice welds. Also pretty sure that ARX had Tange stamped into the leg caps.

#539397 GJS pickup!

Posted by GREG_HANNA on 16 December 2014 - 08:21 PM

Upon further review, looks like there is the high possibility of a re-spray. The frame pre-dates the fork by a fairly significant amount of time for the frame and fork to be that unusual shade of blue color, and a matching color at that, is not likely. After seeing pics up close, that metallic blue color is not a color that I have seen used by GJS. I could be wrong though. Very early on GJS were offered in non-metallic/non candy colors which included Blue or Red. A buddy bought new an early regular Red one back in the day.

The decal on the fork also pre-dates the fork by a fairly significant amount of time. 

#538681 Tough thinking about thinning collection...

Posted by GREG_HANNA on 26 November 2014 - 07:15 PM


Been there, sold (under similar circumstances) and re-acquired much of it later at much higher expense. You have at least downsized to a meaningful & manageable point.......stow that stuff away, don't think about it. When you feel settled again or you feel the a fleeting need to re-connect it'll be there!

#538680 Torker Hubs... the myth is reality

Posted by GREG_HANNA on 26 November 2014 - 07:08 PM

Phil is THE O.G. Torker collector. I talked to him beginning in the mid 90's, sold him a nice Torker Mini, he went underground in the late 90's. He has the Torker goods including those hubs!! Nice to see he is keeping tabs on the hobby.

#479552 Everything GJS...

Posted by GREG_HANNA on 02 February 2012 - 05:19 PM

As Joe has noted his frame is a non serial number 1st gen. frame and it does have the brake gusset. The brake gusset was a fix added very early in GJS production. The brake gusset does not make a GJS frame early or late (serial #'ed), or even 2nd gen. I had owned early several non-serialed GJS A frames, a couple had the brake gusset and some did not (very early ones). The earliest picture I have seen of GJS forks is the one of Clint Miller from Dec. 79, posted earlier in this thread. Also in that pic, it looks like Clint may be on a 2nd gen frame in late 79!!

Let's assume GJS forks were available some time mid-late 79. And could have come on some serial #'ed 1st gen's and any 2nd gen. Also keep in mind that, like Robinson's, many people chose to pair GJS frames with other forks because of the under leg dropout design. The under the leg dropout was considered un-cool and outdated by the time Robinson and GJS frames were introduced. That's a HUGE reason why Robinson and GJS forks are harder to find!!

On a side note Stu won the "Worlds" on 1st gen. GJS in late 1977, that frame still resides in George Utterback's game room. That is one that I would hope to one day have the honor of preserving. My personal Grail, so to speak. This also leaves a gap of a year between the first appearance of the GJS and the popularly accepted 1979 year of first availability. Perhaps it was possible to purchase an GJS as early as some time in 1978!?

Personally, I date a frame by best guess of manufacture date, not model year, as it is impossible to determine what justifies model year. Unless there has been a significant design change that coincided with end of year/start year manufacturing or there is a date coded serial #.

#479414 Everything GJS...

Posted by GREG_HANNA on 01 February 2012 - 06:57 PM

You should try finding some Race Inc. forks or maybe some Cycle Pro/ SE innovations Tange made forks for the black one. That frame may be a bit too early for GJS forks, and Jeff used either of the aforementioned forks before the GJS fork was ready.

I believe the GJS forks were available sometime late in 79. I have a set of Prototype/early production GJS forks, they are identical to the ones pictured above, but have a large crown at the base of the steer tube....like early Goose and Roger D forks did.

Johnny Chopper - Tribute 26"

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