Stone Round Chainring 130BCD Tooth Narrow Wide for Road Bike Folding Bicycle 38-60

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ----------------------------------------------------------------------

130BCD, 5 Arm, Chain 9/10/11/12 Speed, Support Crankset Red Rotor QUARQ 5700 6700, for Brompton 3Sixty Folding Bike Optimized teeth design, low noise and anti-drop. Self-clean from muddy soil. Aluminum 7075, high rigidity - precision CNC machined. Built to last. HB150 Superior rigidity, 4mm thick, anodized black Lightweight - Lightweight and rigid design with inner cutout, weight 77-176 g. Treatment: Anodized, 5 bolts included The choice of many professional European track riders, with a lifespan of 20,000 km Stone Round Chainring 130BCD 38 Teeth-60 Teeth Narrow Wide Road Bike Folding Bicycle This is a 130BCD 5 Arm Chainring Support 9-12 Speed Chain Support Red Rotor Quad 5700 6700 Road Folding Bike Made of high quality aluminum 7075 and precision full CNC process. With state of the art design from Stone company. Provide you with the best quality and riding experience. Features 130BCD, 5 Arm, Chain 9/10/11/12 Speed, Support Crankset Red Rotor QUARQ 5700 6700 for Brompton 3Sixty Folding Bike Optimized tooth design, low noise, anti-drop. Self-clean from muddy soil Aluminum 7075, high rigidity - high precision CNC machined. Long lasting construction. HB150 Superior rigidity, 4mm thick, anodized black Lightweight - Lightweight and rigid design with inner cutout, weight 77-176g. Treatment: anodized, 5 bolts included The choice of many professional track riders in Europe, life span 20,000 km Maximum tooth diameter ( mm)Weight(g) 38T, 162 mm, 49 g 40T, 170 mm, 61 g 42T, 178 mm, 70 g 44T, 186 mm, 74 g 46T, 194 mm, 79 g 48T, 202 mm, 84 g 50T, 210 mm, 97 g 52T, 219 mm, 104 g 54T, 226 mm, 111 g 56T, 235 mm, 119 g 58T, 242 mm, 127 g 60T, 250 mm, 136 g About STONE STONE is a design company specialized in providing high quality and innovative design CNC machined chainrings to clients around the world, especially loved by European race teams. We provide customized rings regarding tooth quantity and style, adding team logo or name base on STONE logo. Material: High strength aluminum 7075-T651 Taiwan CNC machine provides process precision 0.03mm. We are not only a factory but also a chainring designer with cutting edge innovative design. Stiff, lightweight, low noise, drop stop, durable chainring. We want to provide our customers with the best chainrings. Stone products meet the requirements of all heavy duty cycling sports, Downhill, CX, Gravel, Traction etc. We ensure that all our chainrings have a lifespan of 20,000 km.