eMagTech Road Bicycle 5 Claw 39 Tooth Sprocket 130BCD Fit for Dual Disc 2X 10/11 Speed System

아마존 달러(USD) 가격을 각 날짜의 환율로 원화 환산해 표시합니다. 현재 환율 $1 = ₩1,478 (2026-07-24 기준)

상품 특징

• This product is a 130BCD39 toothed inner sprocket for road vehicles, compatible with 5-arm cranks and supporting 2x10 and 2x11 speed transmissions. After replacement, it can restore smooth chain engagement and efficient power transmission.
• The sprocket has high machining accuracy, and the tooth profile design helps the chain to fit stably, significantly improving stepping efficiency and speed smoothness. It is suitable for maintenance or upgrading after long-term wear and tear.
• Using high carbon steel material and wear-resistant treatment, it enhances overall rigidity and can maintain good stability during high-speed cycling and frequent gear shifting.
• During installation, align the BCD130 holes with the crankshaft, tighten the bolts one by one and maintain even force distribution. Before use, check the chain line and speed range to ensure smooth coordination of the entire transmission system.
• It can effectively replace worn teeth, solve problems such as chain slippage, abnormal noise, or unstable meshing, and upgrade to enhance power output consistency and extend the service life of the entire vehicle transmission system.

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