Sight A3 150
OverviewAbout the Norco Sight A3 150
The Norco Sight A3 150 is a mountain bike, built on a aluminium frame, listed at $3,999. An off-road bike for trails, with grippy tyres and trail-ready geometry.
SizingWhat size Sight A3 150 do I need?
Enter your height to see the size Norco recommends.
| Size | Rider height | In feet |
|---|---|---|
| 1 | 155 to 165 cm | 5 ft 1 in to 5 ft 5 in |
| 2 | 163 to 173 cm | 5 ft 4 in to 5 ft 8 in |
| 3 | 170 to 180 cm | 5 ft 7 in to 5 ft 11 in |
| 4 | 178 to 188 cm | 5 ft 10 in to 6 ft 2 in |
| 5 | 185 to 196 cm | 6 ft 1 in to 6 ft 5 in |
Rider heights from Norco's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.
SpecificationsWhat we know
- Brand
- Norco
- Category
- Mountain
- Frame
- Aluminium
- Brakes
- Disc
- Frame sizes
- 1, 2, 3, 4, 5
- Price
- $3,999, RRP AUD (Ivanhoe Cycles)
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize M (3)
- Stack
- 636 mm
- Reach
- 472.5 mm
- Stack/reach
- 1.35
- Head angle
- 64 deg
- Seat angle
- 77.5 deg
- Wheelbase
- 1247 mm
- Chainstay
- 428 mm
- BB drop
- 25 mm
- Standover
- 685 mm
- Fork rake
- 44 mm
GearingRatios
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
- Groupset
- Shimano Deore 12-speed
- Shifting
- Mechanical
- Drive
- 1x
- Speeds
- 12
- Crank
- Shimano Deore FC-MT5120-1, 32T, 170mm
- Chainrings
- 32
- Cassette
- Shimano Deore CS-M6100
- Rear derailleur
- Shimano Deore RD-M6100
- Brakes
- SRAM DB4
- Rotors
- 200/180mm
- Wheelset
- WTB ST Tough i30 TCS 2.0 rims (32H), Shimano hubs
- Fork material
- Aluminium
- BB standard
- Threaded
- UDH
- Yes
SuspensionMTB detail
- Front travel
- 160 mm
- Rear travel
- 150 mm
- Fork
- RockShox Psylo Silver RC
- Shock
- RockShox Deluxe Select+ Air 205x60mm
- Wheel config
- Mullet
- Dropper
- TranzX YS105
- Discipline
- All-mountain
- Suspension
- VPS high-pivot
Bike DNAWhat the numbers say
- Steering
- A 64 deg head angle points to very slack, built for steep descending.
- Climbing
- Lowest ratio 0.63 is a very low climbing gear for steep or loaded climbs.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (Norco product page + shared Sight 150 MX platform chart (alloy A3, medium confidence) + backfill 2026-09-27: ivanhoecycles.com.au), verified 2026-09-03. This is a specification analysis, not a physical ride review.
Where to buyStockist
BikeFinder is an independent directory. We link to retailers; prices and stock are set by the seller and shown as at the date checked.
