Norco Optic A1 Complete Mountain Bike 2025
sku# 277423
Model Info
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Product Info
The Norco Optic A1 Complete Mountain Bike leverages a high pivot VPSHP suspension design to boost rearward axle movement, translating to better bump absorption on gnarly trails. With 140mm / 125mm travel and an idler for pedaling efficiency, this short-travel rig punches above its weight, staying playful on climbs yet confidently tackling technical descents. Fox Factory suspension and wireless SRAM GX AXS Transmission shifting make this build stand out from the pack.
Product Details
Key Features
Aluminum Frame
Travel – 140mm Front / 125mm Rear
Wheel Size – 29"
VPSHP Suspension Layout – Utilizing Norco's Virtual Pivot Suspension | High Pivot design, this layout increases the rearward axle path. This enhances suspension performance, particularly on technical terrain, allowing the wheel to move out of the way of obstacles more effectively for a smoother ride. An idler pulley is integrated to manage chain growth and pedal feedback, ensuring efficient pedaling despite the high pivot.
Aluminum Frame with Ride Aligned™ – The lightweight and durable aluminum frame is designed with Norco's Ride Aligned™ system. This approach ensures optimal geometry and suspension kinematics for each frame size, providing a balanced and predictable ride feel for all riders.
OneUp EDC Lite Tool – A practical integrated tool system in the steerer tube provides essential tools for quick on-trail repairs.
Specs
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Biking Type:
Mountain
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Biking Type
Mountain Mountain bikes are built for tackling rough terrain with frames made of durable materials like aluminum or carbon fiber, ensuring stability and maneuverability. They feature suspension to absorb impacts from rocks, roots, and drops, providing a smoother ride.
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Used For:
Trail
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Used For
Trail Trail bikes are the quintessential “mountain bikes.” If you’re heading into the woods expecting to do it all on two wheels – climbing, technical sections, AND fun descents – you’re looking for a trail bike.
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Suspension:
Full Suspension
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Suspension
Full Suspension Engineered to tackle the most challenging terrain with enhanced comfort and control. Unlike hardtail bikes, full suspension bikes feature both front and rear suspension systems that allow the wheels to move independently from the frame.
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Frame Material:
Aluminum Alloy
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Frame Material
Aluminum Alloy Aluminum is the second lightest material per cubic inch, after carbon, but it is significantly more affordable. It offers versatility, strength, and durability that works well in all trail disciplines.
- Gearing: 1 x 12
- Water Bottle Mounts: 1
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Fork:
Fox 34 Factory
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Fork
Fox 34 Factory The Fox 34 is the hard charging, do-it-all trail fork. Smoother, lighter, more tunable, and more capable than ever before; when it comes to a do-it-all trail fork the 34 is in a class of its own.
“Factory” says it all – feature-packed and designed to exceed the demands of Fox's Factory-level riders. What they sell is what they race. Factory Series products feature slippery smooth, ultra-durable Genuine Kashima Coat. - Stanchion Diameter (mm): 34
- Fork Travel (mm): 140
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Rear Shock:
Fox Float X Factory
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Rear Shock
Fox Float X Factory From aggressive trail to enduro, the advanced damping, fade free performance and class-leading durability of Float X makes it the versatile and lightweight choice for All-Mountain riders earning their descents.
Factory Series models feature a genuine Kashima Coat finish for the ultimate friction-free performance.
Shock Adjustments - Air Spring Pressure / Open/Firm Compression Lever / Low Speed Rebound / Low Speed Compression
- Rear Travel (mm): 125
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Shifters:
SRAM AXS Pod Bridge Ultimate
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Shifters
SRAM AXS Pod Bridge Ultimate The AXS Pod Ultimate is SRAM's most premium pod shifter. AXS Pod Ultimate is lighter weight than Eagle Ecosystem AXS Controllers, features a completely new shape, ergonomics, and a vastly superior range of adjustability. -
Rear Derailleur:
SRAM GX Eagle AXS T-Type, 12-Speed
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Rear Derailleur
SRAM GX Eagle AXS T-Type, 12-Speed The GX Eagle T-Type derailleur delivers everything a Transmission derailleur possibly can, and then some. It features a revised battery position and a reconfigured gearbox to better protect itself from impacts. To maintain crisp shifting and striking appearance throughout its entire lifespan, hard-chargers can replace both its protective skid plates and two-piece outer link, if needed, making this the most repairable derailleur we’ve ever made. It also features the first ever tool-free cage and clutch assembly – so it’s both removable and upgradable too. -
Crankset:
SRAM GX Eagle DUB T-Type, 30t
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Crankset
SRAM GX Eagle DUB T-Type, 30t The GX Eagle Transmission DUB crankset gives no-nonsense riders a no-compromise balance of form and function. It’s the crankset where pure performance meets optimal value. Its two independently removable composite bashguards add durability and allows riders to manage scuffs and scrapes that come with the territory. Protecting and preserving the unique shape of its forged aluminum design to deliver maximum performance with minimum bulk.
FEATURES- No-nonsense, no-compromise. Two independently removeable composite bashguards. Chainring size specific.
- Forged aluminum with an all-new shape and optimal value.
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Cassette:
SRAM GX Eagle T-Type XG-1275, 10-52t
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Cassette
SRAM GX Eagle T-Type XG-1275, 10-52t The new 10-52 Eagle cassette for riders who prioritize all day function over anything else. With an expanded, 520-percent gear range giving riders more ability to spin and recover on the burliest climbs. Featuring FULL PIN technology that uses lightweight, precision engineered steel cogs permanently connected with high-strength stainless steel pins. An open design similar to our X-DOME cassette that aids in mud clearance, giving riders crisp shifting performance and longer component life.
FEATURES- 520-percent gear range utilizing the industry standard XD hub driver.
- Light and strong FULL PIN technology similar to X-DOME bringing true 1x gear range to more riders and builds.
- Lunar and black colorway makes the XG-1275 cassette right at home on any build.
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Chain:
SRAM GX Eagle T-Type Flattop, 12-Speed
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Chain
SRAM GX Eagle T-Type Flattop, 12-Speed The GX Eagle Transmission (T-Type) chain is the strongest SRAM has ever made. Specifically engineered to optimize Eagle Transmission, this all-new T-Type design features a unique flat top. In addition to this shape maximizing shifting performance and upgrading the aesthetics of any bike, it is developed specifically for the added torque loads of E-MTB thanks to its solid pins that give it incredible strength. - Bottom Bracket: SRAM DUB, BSA 73mm
- Pedals: Not Included
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Brake Levers:
SRAM Code Silver Stealth
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Brake Levers
SRAM Code Silver Stealth SRAM's legendary, full-powered brake now features a new technology to improve your cockpit aesthetic: Stealth. The all-new lever body design brings the hose closer to the bar, allowing for a sleeker, more modern ride. The proven internals remain the same, with SwingLink driving SRAM's signature feel. And for unrivaled ease of customization, Code Silver features tool-free Reach and Contact Point Adjust. Confidence is king, and Code reigns supreme on the slew of more-capable-than-ever-before trail bikes, as well as heavy-duty giants like enduro, gravity, and E-MTB. - Brake Calipers: SRAM Code Silver Stealth
- Rotors: SRAM Centerline, 180mm
- Headset: FSA No. 57
- Stem: OneUp 42mm, 35mm clamp
- Saddle: Fizik Alpaca Terra X5
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Seatpost:
OneUp Dropper
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Seatpost
OneUp Dropper Known for its no-nonsense smooth cable actuation, short overall length, and easy serviceability, the OneUp Dropper is a solid choice for dependable and customizable performance. - Hubs: DT Swiss 350
- Rims: Stan's Flow S2
- Spokes: Sapim Race
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Front Tire:
Maxxis Minion DHF 2.5" | 3C MaxxTerra, EXO
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Front Tire
Maxxis Minion DHF 2.5" | 3C MaxxTerra, EXO With a tread design that deftly balances rolling speed with braking and cornering traction, it’s no wonder why the Minion DHF is one of the most imitated tires in mountain biking.- 3C MaxxTerra: A triple compound ideal for trail riding in all conditions - offers more traction than 3C MaxxSpeed, yet provides better treadwear and less rolling resistance than 3C MaxxGrip.
- EXO: A cut and abrasion-resistant material added to the sidewalls.
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Rear Tire:
Maxxis Dissector 2.4" | 3C MaxxTerra, EXO
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Rear Tire
Maxxis Dissector 2.4" | 3C MaxxTerra, EXO Designed in conjunction with Aussie DH racer Troy Brosnan, the Dissector seeks to minimize drag while retaining cornering control. This versatile tire can be used as a front, a pair, or as a rear depending on trail conditions.- 3C MaxxTerra: A triple compound ideal for trail riding in all conditions - offers more traction than 3C MaxxSpeed, yet provides better treadwear and less rolling resistance than 3C MaxxGrip.
- EXO: A cut and abrasion-resistant material added to the sidewalls.
- Warranty: Limited Lifetime
| Size | S1 | S2 | S3 | S4 | S5 |
| Rider Height | 5.1"-5.9" | 5.4"-5.8" | 5.7"-5.11" | 5.10"-6.2" | 6.1"-6.5" |
| Reach (mm) | 422.5 | 447.5 | 472.5 | 497.5 | 522.5 |
| Stack (mm) | 608 | 617 | 626 | 635 | 644 |
| Effective Top Tube (mm) | 568 | 593 | 617 | 641 | 665 |
| Seat Tube (mm) | 350 | 370 | 385 | 430 | 445 |
| Head Tube Angle (°) | 65 | 65 | 65 | 65 | 65 |
| Seat Tube Angle (°) | 76.5 | 76.8 | 77 | 77.3 | 77.5 |
| Chainstay Length (mm) | 415 | 419 | 423 | 427 | 431 |
| Bottom Bracket Height (mm) | 346 | 346 | 346 | 346 | 346 |
| Bottom Bracket Drop (mm) | 32 | 32 | 32 | 32 | 32 |
| Head Tube Length (mm) | 100 | 110 | 120 | 130 | 140 |
| Wheelbase (mm) | 1154 | 1188 | 1221 | 1254 | 1287 |
| Standover Height (mm) | 675 | 677 | 678 | 707 | 705 |
| Wheel Size | 29" | 29" | 29" | 29" | 29" |