Norco
Optic A2
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Geometry
Geometry
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Geometry
Geometry
Frame geometry
| Geometry | null | S1 | S2 | S3 | S4 | S5 |
|---|---|---|---|---|---|---|
| Stack | 644mm | — | — | — | — | — |
| Reach | 522.5mm | — | — | — | — | — |
| Headtube length | 140mm | — | — | — | — | — |
| Headtube angle | 65deg | — | — | — | — | — |
| BB height | 346mm | — | — | — | — | — |
| BB drop | — | — | — | — | — | — |
| Trail | 128mm | — | — | — | — | — |
| Fork length | — | — | — | — | — | — |
| Fork offset | 44mm | — | — | — | — | — |
| Front center | — | — | — | — | — | — |
| Chainstay length | 431mm | — | — | — | — | — |
| Wheelbase | 1287mm | — | — | — | — | — |
| Top tube | 665mm | — | — | — | — | — |
| Standover height | 705mm | — | — | — | — | — |
| Seat tube length | 445mm | — | — | — | — | — |
| Seat tube angle | 77.5deg | — | — | — | — | — |
Spec geometry
| Geometry | null | S1 | S2 | S3 | S4 | S5 |
|---|---|---|---|---|---|---|
| Crank length | — | 170mm | 170mm | 170mm | 170mm | 170mm |
| Stem length | — | 40mm | 40mm | 40mm | 40mm | 40mm |
| Handlebar width | — | 800mm | 800mm | 800mm | 800mm | 800mm |
| Handlebar reach | — | — | — | — | — | — |
| Handlebar drop | — | — | — | — | — | — |
| Saddle width | — | — | — | — | — | — |
| Dropper post travel | — | 150mm | 170mm | 200mm | 200mm | 230mm |
| Seatpost offset | — | — | — | — | — | — |
Specs
Full specs
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Specs
Full specs
Frame
Frame
Aluminum frame, 125mm travel, UDH, Eagle Transmission compatible, Ride Aligned™
Suspension
Rear shock
RockShox Super Deluxe Select+, 185x50 TR
Fork
RockShox Pike Base, 140mm, 44mm offset (fender included)
Brakes
Front brake
Shimano Deore MT520 4-piston (metallic pads)
Rear brake
Shimano Deore MT520 4-piston (metallic pads)
Front rotor
Shimano RT-64, 180mm, Center Lock
Rear rotor
Shimano RT-64, 180mm, Center Lock
Drivetrain
Shift levers
Shimano Deore SL-M6100, 12-speed (rear)
Rear derailleur
Shimano Deore RD-M6100, 12-speed
Cassette
Shimano Deore CS-M6100-12, 12-speed, 10-51T
Chain
Shimano Deore CN-M6100, 12-speed
Crankset
Shimano Deore FC-MT512, 30T, CL55, 165mm (S1–S2) / 170mm (S3–S5)
Bottom bracket
Shimano sealed bearing, BSA 73mm
Cockpit
Stem
Norco, 40mm length, 35mm clamp
Handlebars
6061 alloy, 800mm, 25mm rise
Grips
Ergon GE1, Slim (S1–S2) / Standard (S3–S5)
Saddle
SDG Bel Air V3
Seatpost
TranzX YS105, 34.9mm, 150mm (S1) / 170mm (S2) / 200mm (S3–S4) / 230mm (S5)
Wheels & Tires
Front wheel
WTB ST i30, 29in, 30mm ID, 32H; Shimano HB-TC500, 15x110mm Boost, 32H, Center Lock; Stainless steel (spokes/nipples)
Rear wheel
WTB ST i30, 29in, 30mm ID, 32H; Shimano FH-MT500, 12x148mm Boost, Micro Spline, 32H, Center Lock; Stainless steel (spokes/nipples)
Front tire
Maxxis Minion DHF, 3C MaxxTerra, EXO, 29x2.5, folding
Rear tire
Maxxis Dissector, 3C MaxxTerra, EXO, TR, 29x2.4, folding
Weight
Weight
17.2 kg (37.9 lb) (size S3)