Main points of variation include the bottom bracket, dropouts, seat stays, and weld quality and placement. The US, Japan, and China (Taiwan at the time) all made Redline frames. They came in Candy Red or Blue over Nickel. Been meaning to do this thread on how to differentiate between early 80s MX-II and MX-III (Series Three) frames from various manufacturers. '75 -'76įrom '81-'83 they started using this code (it moved around alot) July '81įor the first year or so it was a hand stamped 4 or 5-digit #. Buy now from Alans BMX with Worldwide, Next Day and Free Shipping options. Genuine Graphite, 9T Tuffs with 14mm rear axle and 10mm front. removed BB gusset and added brake bridge. We created this version of the GT Pro Performer with the new alloy flanged Skyway Graphite Tuff Wheels instead of the stock alloy wheels making the Performer even more iconic. After February 1977, (CB7) the second generation frames appear without the extra gusset between down tube and seat post tube.Ģnd gen. Example: CB6 # (C=Chatsworth B=February 6=1976). It then changes again later into 1976 to include place of manufacture/month/year code followed by a five number individual frame ID. They begin at 10001 and continue until early 1976 when a revised stamp begins to include place of manufacture indicated with the letter "C" ( for Chatsworth, California) followed by the five number individual frame ID. (located on the underside of hanger cup/bottom bracket shell):ġ975 serial numbers were a hand-stamped five number, individual frame ID.
Mongoose - 1997 Supergoose Comp - decal set- old school bmx 56.95. gusset by the bottom bracket, a coaster tab but no brake bridge. There is some heavy dirt/grease on the inside of the gusset and rear brake.
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