smaller bobbins and swing arm spools are made by sumomoto CNC Machines, the price are unbeliveable cheaper.

8mm smaller bobbins fit into: CBR600RR (03-05) CBR954 (02-03) RC51 (03-05) CBR1000RR (04-05)..Suzuki GSXR's (00-05) SV650/S (99-05) SV1000/S (03-05) TL1000R/S (97-02)

Sumo Precision is a Machine Shop located in Hangzhou,China.Sumo Precision was founded in 2006 and currently has 20 employees. It has a short but brilliant history of providing its customers with high quality machined components, industrialtooling and completed assemblies. We have over 100 customers for our shop. We offer the following services: CNC Turning,CNC Milling(4 axis), all tube and sheet work, and Surface finishing as well as MIG and TIG welding. We pride ourselves onexceptional quality and our quality program is compliant with ISO9001. We offer outstanding on-time delivery and providevalue added services like recommending design modifications to enhance performance and lower cost. We have manual aswell as 2, 3 and 4-Axis CNC machines to handle prototype and small quantitiy requirements. as well as higher productionquantities. We are known for our close tolerance and difficult to machine work. Let us be the machine shop that exceeds yourexpectations!