Surly Track Cog 1/8'' X 15t Silver Routing-Internal } Atmos Sealed Construction - Model=Isolator RL Damper Upgrade Kit Ventilated materials help wick sku-46356345290991 Color:PASTEL LIGHT BLUE (Blue)

Surly Track Cog 1 8'' X 15t Silver Routing Internal } Atmos Sealed Construction Model=Isolator RL Damper Upgrade Kit Ventilated materials help wick sku 46356345290991 Color:PASTEL LIGHT BLUE (Blue) } Atmos Sealed Construction Eliminates need for staples and bumpers on base of saddle Flat Forward Platform Allows ease of movement on the saddle Rear Rise Allows optimum power and comfort from sitting position Nylon Glass Base With Bridge Increases power transfer Deep Peri Canal Continuous relief channel from tip to tail Nose Platform Wider nose to aid in climbing Sonic Weld Added protection on corners of saddle Injection EVA Lightweight injection moulded foam 4" Casing Standard TPI 60 Compound Single Bead Non Folding Type Non Tubeless Color Black Weight 973g E bike E25