The 503X is the complete redesign of our flagship aluminium hardtail. We rethought the details, and tested the bike on the best MTB trails in the Dolomites. The 503X meets the needs of a wide mountain bike audience, getting more people off-road and into the mountains.
Spec sheet:
Seatpost; Promax sp-264 | Cassette; SRAM GX Eagle XG-1275 10-50t 12s | Tyres; Vittoria Barzo rigid 29×2.25″ | Crankset; SRAM GX Eagle Dub 32t | Pedals; N/A | Saddle; Selle Italia Cubic | Brakes; Shimano BR-MT501 | Stem; Promax DA282 | Frame & Fork; alu 6066/6061 double butted; Rock Shox Reba RL | Handlebar; Promax HB-3018 | Wheels; Miche MTX | Shifters; SRAM GX Eagle 1×12 | Chain; SRAM GX Eagle 12s | Rear Derailleur; SRAM GX Eagle 12s
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