KMC REACT Cassette - 11-Speed 11-42t HG Driver Compatible Black MFPN=BAA1055 Chainring BCD 110 Color Black

Chainring BCD 110 Color Black Defined Color Black Material Aluminum Ring Position/Type Chain Retaining Single Ring Tooth Count 40

Brake Caliper Type Post Mount Mount | Rotor Size 140 Post | 180 Rotor Mount | Rotor Size 180 Post | 220 Rotor Weight 60

100% Surly Chromoly frame main triangle is double-butted

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KMC REACT Cassette - 11-Speed 11-42t HG Driver Compatible Black MFPN=BAA1055 Chainring BCD 110 Color BlackPerfectly matched to KMC chains Hardened steel TECH SPECS model React freehub type HG speed 11 range 11 42 cogs 11 13 15 17 19 21 24 28 32 36 42 color black weight