Sale! Instyle Fitness M10 Indoor Cycle Spin Bike Upper Resistance Knob V1 And V2-M10 Resistance Knob Upper Browse our full range of Instyle Fitness gym equipment parts here £19.46 £14.75 73 in stock. Instyle Fitness M10 Indoor Cycle Spin Bike Upper Resistance Knob quantity Add to basket SKU: V1-M10-27 Category: Discount Gym Equipment Parts More Info Description V1 And V2-M10 Resistance Knob Upper