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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Big Bite Valve delivers 20% more water per sip
so your training can be optimized
hard anodized aluminum axles flanged PTFE bushings
tooth profile and shift ramp design for quick and positive index shifting
No Chamois
SHIMANO Ultegra Di2 R8150 Front Derailleur - 12-Speed - Braze-On trike Big Bite Valve delivers 20%More compact and faster than ever, the ULTEGRA R8150 front derailleur performs digitally precise front shifts under any circumstances. Combining Shimano's new Di2 platform and the road incarnation of HYPERGLIDE+, the ULTEGRA R8150 front derailleur shifts between chainrings with our fastest, most seamless action. Shimano's fastest ever front shifting, 45% faster than FD R9150 Smaller, sleeker, lighter Frontal area reduced by 33% Weight cut to 116 g Top
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