Shimano Alfine S501 45t 130mm Outer Chainring Guard Black MFPN=8022983 they are well-made

they are well-made

78" (232mm) Width 27" (685mm) Upsweep 4 Deg Back Sweep 10 Deg Material CrMo Color Black Weight 1000g

5 axis precision machined from aluminum forged billet Adjustable Contact Point Yes Adjustable Reach Yes Brake Caliper Type Post Mount Brake Lever Actuation Hydraulic Brake Lever Use Left Color Blue Hydraulic Fluid Type DOT Rotor Included No

} Widely spaced square knobs deliver consistent traction while shedding muck with ease

Shimano Alfine S501 45t 130mm Outer Chainring Guard Black MFPN=8022983 they are well-madeShimano Alfine S501 Chainring Guard Material Aluminum Max Tooth (teeth) 45 Color Black Mount Type Chainring Defined Color Black Position Outer Max Tooth 45T