Very easy ordering and fast delivery Thank you
17 Tooth Sprocket (+1 Tooth from Standard) - BSA Goldstar
Goldstar sprocket replacement
A simple job if you have a suitable centre lift. The chain has no split link, but this job can be done without splitting, just slide the rear wheel forward. Improved the gearing with no apparent reduction in performance. Now much less frantic for multi-lane cruising.

BSA tail tidy and front springs
Arrived on time not difficult to fit with decent instructions on UTube. Need time to fully test.
17 Tooth Sprocket (+1 Tooth from Standard) - BSA Goldstar
That little bit extra
Simple to fit and makes the bike that much better in the gears
BSA 650 Gold Star 17t sprocket
My order arrived quickly and was well packed. Fitting was straightforward, although an impact gun certainly made things a lot easier to remove the sprocket retaining nut. The extra tooth/higher gearing makes the bike less “revvy” at higher speeds, but has no noticeable detrimental impact on acceleration. I’ve found that riding in urban traffic is also improved, with these speeds sitting at a sweeter spot in the rev range, meaning they’re not in the “in between gear” range.
Bien reçu, pas encore essayé
Great Service
Does what it says in the tin. Excellent delivery service to me down in NZ. Cheers folks.
Very fast and correct order processing. Perfect communication and and high quality of the part. Many thanks
Useful upgrade
Having fitted the slightly larger front sprocket and ridden it twice since I found the rev's are much more comfortable for motorway speeds, slightly less revs, and the mirror vibration is much better. I live near the A10 and A1 so frequently use the dual carriageway/motorway. When cruising at 70 the rear view was obscured by the vibrations of the engine, but now the rear view is good. So safer and more comfortable.
Sprocket
No fitted yet but very good quality and looking forward to fitting it and riding.
17 tooth front sprocket
As always Tec have thought about what we need to improve our modern retro bikes. The sprocket raises the gearing and allows easier cruising but also makes the lower gears more useable because for me they were a little too low as with many modern bikes. Yet another'well worth having' mod from Tec and I will eagerly await more of them.
17 Tooth Sprocket (+1 Tooth from Standard) - BSA Goldstar





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