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Stumpjumper Alloy
The Stumpjumper Alloy brings all-new suspension kinematics and progressive geometry into a full-alloy package that's both lightweight and extremely durable. Outfitted with a no-fuss SRAM SX 12-speed groupset, the Stumpjumper Alloy is your all-access pass for trail adventure.
S1 | S2 | S3 | S4 | S5 | S6 | |
---|---|---|---|---|---|---|
Stack (Low BB) | 618mm | 613mm | 623mm | 631mm | 639mm | 649mm |
Stack (High BB) | 614mm | 609mm | 618mm | 627mm | 640mm | 644mm |
Reach (Low BB) | 410mm | 430mm | 450mm | 475mm | 500mm | 530mm |
Reach (High BB) | 416mm | 435mm | 455mm | 480mm | 505mm | 535mm |
Headtube Length | 100mm | 100mm | 110mm | 120mm | 130mm | 140mm |
Headtube Angle (Low BB) | 65° | 65° | 65° | 65° | 65° | 65° |
Headtube Angle (High BB) | 65.5° | 65.5° | 65.5° | 65.5° | 65.5° | 65.5° |
BB Height (Low BB) | 327mm | 332mm | 332mm | 332mm | 332mm | 332mm |
BB Height (High BB) | 334mm | 339mm | 339mm | 339mm | 339mm | 339mm |
BB Drop (Low BB) | 47mm | 42mm | 42mm | 42mm | 42mm | 42mm |
BB Drop (High BB) | 40mm | 35mm | 35mm | 35mm | 35mm | 35mm |
Trail (Low BB) | 126mm | 126mm | 126mm | 126mm | 126mm | 126mm |
Trail (High BB) | 122mm | 122mm | 122mm | 122mm | 122mm | 122mm |
Fork Length (full) | 550mm | 550mm | 550mm | 550mm | 550mm | 550mm |
Fork Rake/Offset | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm |
Front Center | 726mm | 746mm | 770mm | 799mm | 828mm | 863mm |
Chainstay Length (Low BB) | 444mm | 444mm | 444mm | 444mm | 454mm | 454mm |
Chainstay Length (High BB) | 440mm | 440mm | 440mm | 440mm | 450mm | 450mm |
Wheelbase (Low BB) | 1168mm | 1188mm | 1212mm | 1241mm | 1280mm | 1315mm |
Wheelbase (High BB) | 1164mm | 1184mm | 1208mm | 1237mm | 1276mm | 1311mm |
Top-tube Length (horizontal) | 545mm | 563mm | 586mm | 615mm | 643mm | 676mm |
Bike Standover Height | 742mm | 742mm | 750mm | 753mm | 777mm | 784mm |
Seat Tube Length | 385mm | 385mm | 405mm | 425mm | 445mm | 465mm |
Seat Tube Angle (Low BB) | 77.7° | 77.7° | 77.5° | 77.2° | 77° | 76.9° |
Seat Tube Angle (High BB) | 78.2° | 78.2° | 77.9° | 77.7° | 77.5° | 77.3° |
Max Seatpost Insertion | 190mm | 190mm | 210mm | 230mm | 250mm | 270mm |
Min Seatpost Insertion | 100mm | 100mm | 100mm | 100mm | 100mm | 100mm |