Norco Optic A1 Gen 3

Frame & fit interfaces

The standards that decide what fits this bike.

Frame material

Aluminum

Wheel size

29"

Suspension

Full

Rear travel

125 mm

Rear axle spacing

148 mm

Seatpost diameter

34.90 mm

Headset standard

ZS44/28.6 | ZS56/40 (Tapered 1-1/8" - 1.5")

Bottom bracket

BSA 73mm

Max tire size

2.6"

Stock build

• ForkFox 34 Factory Float, GripX, HSC/LSC/LSR, 140mm, 44mm Offset, Fender Included
• Rear ShockFox FLOAT X Factory, 185x50mm Trunnion
• Front BrakeSRAM Code Silver Stealth
• Rear BrakeSRAM Code Silver Stealth
• Front Brake RotorSRAM Centerline (180mm)
• Rear Brake RotorSRAM Centerline (180mm)
• Front Brake PadsSRAM Code Silver Stealth, 4-Piston, Sintered Pads
• Rear Brake PadsSRAM Code Silver Stealth, 4-Piston, Sintered Pads
• Brake LeversSRAM Code Silver Stealth 4-Piston
• Bottom BracketSRAM DUB BSA
• CassetteSRAM 1275 Eagle T-Type, 10-52T, 12sp
• ChainSRAM GX Eagle T-Type, Flattop, 12spd
• CranksetSRAM Eagle, 30T, CL55, 165mm (S1,S2) -170mm (S3,S4,S5)
• Front WheelDT Swiss 350 110x15mm
• Rear WheelDT Swiss 350 148x12mm
• Rear DerailleurSRAM GX Eagle AXS T-Type, 12spd
• ShiftersSRAM Pod Ultimate Controller
• HandlebarOneUp Aluminum, 800mm, 20mm rise
• StemOneUp 42mm Length , 35mm Clamp
• GripsErgon GE1, Slim (S1, S2) Standard (S3,S4,S5)
• HeadsetFSA No. 57 ZS, Carbon Top Cover
• SaddleFizik Alpaca Terra X5
• SeatpostOneUp V3 w/ One Up 1x lever, 31.6mm, 150mm (S1-S2) -180mm (S3) -210mm (S4) -240mm (S5)
• Front TireMaxxis Minion DHF, 3C Max Terra EXO, 29x2.5", Folding
• Rear TireMaxxis Dissector 29x2.4 WT, 60 TPI, 3C Max Terra, EXO, TR