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2019 Norco Aurum A1 Bike

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Product Norco Aurum A1 Bike
Model Year 2019
Riding Type Downhill, Freeride / Bike Park
Rider Unisex
Sizes and Geometry
S, M, L, XL View Geometry
Size S M L XL
Top Tube Length 539 571 603 635
Head Tube Angle 63° 63° 63° 63°
Head Tube Length 100 110 120 130
Seat Tube Angle 76.4° 75.5° 74.6° 73.8°
Seat Tube Length 400 420 440 460
Bottom Bracket Height 343 (-12 drop) 343 (-12 drop) 343 (-12 drop) 343 (-12 drop)
Chainstay Length 425 435 445 455
Wheelbase 1177 1211 1245 1280
Standover 737 737 742 748
Reach 393 413 432 452
Stack 602 611 620 629
* Additional Info All measurements in mm unless otherwise noted.
Wheel Size 27.5" (650b)
Frame Material Aluminum
Frame Material Details 6061-T6 aluminum with size scaled tubing
Integrated frame armor, fork bump stops, fender, and shuttle guards
Rear Travel 200mm
Rear Shock FOX Van Performance, 9.5"x3"
Fork RockShox BoXXer RC DebonAir, boost 20x110mm through axle, 48mm offset
Fork Travel 200mm
Head Tube Diameter Tapered 1.125"-1.5”
Headset FSA #57E-1 with 1-1/8" crown race
Handlebar Norco 20mm rise 6061 800mm, 35mm bar bore
Stem Race Face Chester 35 direct mount, 50mm length
Grips VP lock-on
Brakes SRAM Guide R, 4-piston hydraulic disc, with SRAM CenterLine 200mm rotors front and rear
Brake Levers SRAM Guide R
Drivetrain 1x
Shifters Shimano Zee SL-M640, 10-speed
Front Derailleur N/A
Rear Derailleur Shimano Zee SL-M640, 10-speed
Chainguide e*thirteen LG1, chromoly backplate
Cranks Truvativ Ruktion, 165mm
Chainrings 34 tooth
Bottom Bracket Truvativ Howitzer XR, threaded BSA 83mm
Pedals None
Chain KMC X10, 10-speed
Cassette SRAM GX PG-1030, 11-28 tooth, 10-speed
Rims WTB SX25, 32 hole, 25mm internal width
Hubs SRAM MTH 746 rear, 12mm x 142mm
Spokes Stainless Steel 14g black
Tires Schwalbe Magic Mary, 27.5" x 2.35" Bike Park, front and rear
Saddle WTB Volt wide with medium padding
Seatpost Norco 6061 alloy, double bolt head
Seatpost Diameter 30.9mm
Seatpost Clamp Norco alloy nutted 34.9mm
Rear Dropout / Hub Dimensions 12mm x 142mm
Max. Tire Size 27.5" x 2.5"
Bottle Cage Mounts None
Colors Green
Warranty One-year limited on complete bike
Limited lifetime on full-suspension frames
Weight N/A
Miscellaneous Gravity Tune: rear center length of each frame size increases proportionately to the front center length
Size Scaled Tubing: the frame maintains the same stiffness and ride quality across frame sizes
External cable routing
Sag: 30-35% recommended
Shock eye-eye length: 241mm (9.5”)
Shock stroke length: 76mm (3”)
Body eye hardware (upper): none
Shaft eye hardware (lower): 22.2mm x 10mm
Price $3,749
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