8 series dynamo hub8X Dynamo Hub9 Series Dynamo hubsupportSP store
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SP 9 Series got the approval from new German StVZO 6V1.5W LED regulation from wheel size 20” to 28“. However, its real output is much higher than 1.5W. From wheel size 400mm(16”) to 535mm(20“), both SV-9-FB output perfectly match German StVZO 6V3W regulation. SV-9-FB axle diameter is 7.9mm, which is perfectly matched Brompton bikes.




6V3W for 20"
Suitable for OLD 74mm folding bike






SP Store-8Series
SP Store-8Series