Optional Extension Nuts for Derailleur 3 Speed Kits
Due to the revised sprocket position for the 3 speed 10T system, the right axle of existing hub may become too short to secure the chain tensioner. The axle extension nut sets are made to resolve such issue.
The extension nut kits come in two material and 2 form factors.
The stainless steel 410 nuts are inherently corrossion resistent, further finished in silver nickel plating or electro-deposition in black.
The Alloy AL7075 nuts are more than capable of withstanding the torque specifications, and the 12 point form factor will not slip.
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