Economical Shimano SW-7971 Dura Ace Di2 TT Bar End Shifters

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Product Description

SRAM's Quark power Crankset is compatible with all of SRAM's road group sets, and the cranks feature SRAM's integrated carbon crank arm and SRAM's proven RED chain rings. The Quark is the lightweight leader for wireless power devices and installation and battery change-outs are simple, plus ANT+ Wireless compatibility makes gives it the flexibility to sync with nearly any display unit.

Product Details

• Amazon Sales Rank: #262944 in Sports & Outdoors
• Size: true
• Color: Black
• Brand: Shimano
• Model: ISW7971P
• Released on: 2012-08-03
• Number of items: 1
• Dimensions: .0" h x .0" w x .0" l, .0 pounds

Features

• Button action is light but positive
• Shimano Reference Number: SW-7971

From the Manufacturer
SRAM's Quark power Crankset is compatible with all of SRAM's road group sets, and the cranks feature SRAM's integrated carbon crank arm and SRAM's proven RED chain rings. The Quark is the lightweight leader for wireless power devices and installation and battery change-outs are simple, plus ANT+ Wireless compatibility makes gives it the flexibility to sync with nearly any display unit.