SHIMANO Front Chainwheel 39T 170mm with Chain Guard Black EFCS501CA9C2L ALFINE FC-S501-L (Double Guard) Included/SM-BB4600

【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. Shimano part: EFCS501CA9C2L Number of teeth/CG/BB parts: 39T/double guard/included Crank length: 170mm Chain line: 49.2 (CT-S500)/42.7mm Color: black