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Amazon.com : ZUKKA Bike Shifter SL-TX30-6R 6 Speed Right Thumb Gear Shifter Mountain Bicycle Folding Bike Commuter Bike : Sports & Outdoors
![ShimanoROAD on Twitter: "#ThrowbackThursday | 1991 Shimano introduces Shimano Total Integration (STI) into flagship road group Dura-Ace. http://t.co/RYwOkgi623" / Twitter ShimanoROAD on Twitter: "#ThrowbackThursday | 1991 Shimano introduces Shimano Total Integration (STI) into flagship road group Dura-Ace. http://t.co/RYwOkgi623" / Twitter](https://pbs.twimg.com/media/CGqhVtQWQAAONVd.jpg)
ShimanoROAD on Twitter: "#ThrowbackThursday | 1991 Shimano introduces Shimano Total Integration (STI) into flagship road group Dura-Ace. http://t.co/RYwOkgi623" / Twitter
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