Eastern Thunderbird Bike V1 V2



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Eastern Thunderbird Bike V1 V2

Order the Eastern Thunderbird Bike. Built for the trails, the pro level Eastern Thunderbird V2 features a full chromoly frame with chromoly fork and bars for lightweight performance. This ultimate dirt jump bike is dialed in with fully sealed hubs, 3-piece 48 Spline cranks, CNC’d Top Load stem, Curb Monkey 100psi tires, alloy sprocket, double wall rims, 2 Pegs and Eastern Facet pedals. Ride Eastern.


25.6 Lbs


    • Chromoly Frame
    • Chromoly Fork w/ 1pc Steerer Tube
    • Chromoly Bars
    • Sealed Hubs
    • 3 Piece 48 Spline Cranks
    • Mid BB
    • Integrated Headset
    • Eastern Grips
    • Alloy Eastern Phorcys Sprocket
    • Pivotal Seat
    • Double Wall Front and Rear Rims
    • 2.4″ Eastern Curb Monkey 100psi Tires
    • Eastern Facet Pedals
    • 2 Cold Steel Pegs


Thunderbird 20″, Full Chromoly, Removable Brake Mounts, Mid BB, Internal Headset

Top Tube Size: 21.0″

BB: Mid

Headtube: Integrated

Chainstay Length: 13.74″

Clamp: Integrated with Frame

BARSFull Chromoly 9.0″

Upsweep/Backsweep 12⁰/1⁰


Full Chromoly

Fork Rake: 28mm


HEADSET Integrated 45°X45° Sealed Cartridge Bearing

STEM Eastern 2018 Compressor Top Load, CNC Machined 6061 Missile Grade Aluminum

GRIP Eastern Riblet Grips

CRANK 3-Piece, Tubular Heat-Treated Chromoly, 48-Splined Spindle, 170mm Arm Length

BOTTOM BRACKET Sealed Bearing Mid

CHAINWHEEL Eastern Phorcys, Alloy, 28T

CHAIN KMC Z510 1/2 x 1/8

PEDAL Eastern Facet Pedal with 9/16″ Chromoly Axle



REAR BRAKE U-Brake, Forged Alloy, Wide Body, Clear Brake Pads

REAR LEVER Forged Alloy Hinged Lever


SADDLE Medium Width Pivotal Seat

POST Pivotal, Alloy, 200mm

FRONT HUB Sealed Bearing, Forged Alloy Shell, Drilled for 36
Spokes, Female Axle System with 3/8″ Allen Key Bolts

REAR HUB Sealed Bearings, Forged Alloy Shell Drilled for 36 Spokes, 14mm Chromoly Axle

FREEWHEEL 9 Tooth Sealed Driver with Hub

FRONT RIM Alloy, Double Wall, Drilled for 36 Spokes,  For 20″ Tires

REAR RIM Alloy, Double Wall, Drilled for 36 Spokes,  For 20″ Tires

SPOKES 14 Gauge with Brass Nipples

FRONT TIRE Eastern Curb Monkey 20 x 2.40

REAR TIRE Eastern Curb Monkey 20 x 2.40

PEG Cold Steel Pegs (2pcs)

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Additional information

Weight 35 lbs


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