Click to expand Tap to zoom 06B13H-SB Metric Sprocket 13 Tooth 10MM Stock Bore For 06B British Standard Chains Sale $16.88 SKU 06B13H-SB 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Metric Sprocket for British Standard Chain 06B13H Stock Bore - No Keyway / Set Screw PD: 39.8mm Bore: 10mm Hub Dia.: 29mm Hub LTB: 25mm