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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Muc-Off high-performance Bio Chain Cleaner has been specifically formulated to quickly and safely remove heavy chain grime using advanced solvents
detachable mounting base
This ergonomic design helps reduce fatigue while enabling efficient power transfer during sustained efforts
coconut derived cleaning ingredients
Dura Ace R9170
Shimano Junction A SM-EW90-A-5 Port Assos_Bibshort Muc-Off high-performance Bio Chain CleanerSHIMANO Junction A E TUBE Under Stem Mount 5 Port SHIMANO's SM EW90 B 5 port Junction A mounts neatly to the bike stem and connects with E TUBE wires from DI2 shifters, accessory shifters, and the downtube junction wire. The SM EW90 junction box features an integrated battery level indicator, charging port, and gear index setup switch.