Surly Cross Check 50cm Frameset Gloss Black MFPN=71HGHGZY7 Conversion kits for original Spin

Conversion kits for original Spin Doctor and Spin Doctor Pro hubs are not compatible with Spin Doctor 6-Drive hubs

Single compound infused with Graphene to minimize rolling resistance enhance traction and reduce noise and vibrations

Chainline - 49mm

Flexible hose takes stress off the valve stem when pumping Size DXG Color Black/Silver

Surly Cross Check 50cm Frameset Gloss Black MFPN=71HGHGZY7 Conversion kits for original SpinThe Surly Cross Check. A cross bike by design but with a strong utilitarian appeal. Comfortable versatile tough as nails. Works with all single double and triple road or mountain cranksets Includes Surly seatpost clamp and dropout adjusting screws 100% Surly 4130 chromoly frame main triangle is double butted; 1 1 8" threadless brazed chromoly fork Bosses front and rear for cantilever or linear pull brakes eyelets at the dropouts dual water bottle