Hope Pro 4 Fatsno Rear Hub - 12 x 197mm 6-Bolt HG 11 MTN Black 32H MFPN=4B-OV3178025-101-V114-AM Peak Nano Optics Photochromic is

Peak Nano Optics Photochromic is equipped with a high tech lens in X-PC with photochromatic abilities that darkens and lightens up automatically to the strength of the sunlight (UV light)

5" 130 mm 15 x 110 mm 44 mm Offset Gloss Black A1

Holds 20-29 inch wheels with a 100mm x 9mm drop out

Aero-optimized aluminum rim with 350 series hubs and Aero Comp straight pull spokes

Pioneered on the SES Race Day road tire

Hope Pro 4 Fatsno Rear Hub - 12 x 197mm 6-Bolt HG 11 MTN Black 32H MFPN=4B-OV3178025-101-V114-AM Peak Nano Optics Photochromic isProudly built in Barnoldswick UK the Pro 4 Fatsno hub continues Hope's tradition of reliability serviceability and performance for fat bikes. Sealed stainless Steel cartridge bearings Hub shell machined from a single forged 2014 T6 aluminium billet Standard 6 bolt disc fitting Larger spoke flange to enable stiffer wheel builds Unsurpassed reliability Flange Diameter, Left 57 Rear Axle 12mm Thru x 197mm Tooth Count 44 Flange Diameter, Right 57 Cassette