(1) Sturmey Archer 5-speed shifter
(2) 13t sprocket (x1)
(3) 16t sprocket (x1)
Optional Accessory kit
(1) Unibody cog set 11-14-17t
(2) 2s-3s shifter upgrade kit for stock left-hand side shifter
(3) Long bushing kit
Key Features:
Important Note:
These upgrades require experience and skills in parts assembly. If you encounter difficulties, please seek help from an experienced local bicycle shop.