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SEABOARD CX03
Frame

SEABOARD CX03

SEABOARD

Weight2870g
Year2025
CategoryFrame

The SEABOARD CX03 steel gravel frame is praised for its paint quality, included components, and affordable price, but reviewers note it is not lightweight and has some finish issues like unfaced bottom bracket and headset areas.

Pros

  • Well-packaged frame1
  • Spectacular color with reflective speckles1
  • Paint looks well done with no visible chip marks1
  • Includes a headset with sealed bearings1
  • Outside cable routing for easy serviceability1
  • Substantial company logo emblem1
  • Comes with all necessary bolts1
  • Affordable price compared to similar steel gravel frames1
  • BSA standard threaded bottom bracket1
  • Bosses for fender attachment1

Cons

  • Bottom bracket area is not faced1
  • Headset area is not reamed1
  • Warning sign on top tube is clear-coated and cannot be removed1
  • Frame and fork combined weight is 3 kilos, not lightweight1
  • Through axles are on the heavier side1
  • Cheap bolts might not hold up well1

Key Facts

  • Frame weight: 2 kilos; fork weight: 1.6 kilos; combined 3 kilos1
  • Chromolybdenum steel construction1
  • 142mm thru-axle rear spacing1
  • Flat disc brake mount1
  • 700Cx42C tire compatibility1
  • BSA threaded bottom bracket1
  • Outside cable routing1
  • Includes headset, through axles, seat collar, and derailleur hanger1
  • Price: around €3801

Sources

  1. 1
    nikinikA Steel Gravel Bike Frame from AliExpress?!

Reviews & Ratings

nikinik3 videos
08:44
A Steel Gravel Bike Frame from AliExpress?!

The reviewer unpacks and examines the SEABOARD Road Bike Frame Set, noting its chromolybdenum steel construction and gravel bike design. They highlight the frame's packaging, paint quality, and included components like the fork, headset, through axles, and derailleur hanger. The frame's weight and some minor imperfections are discussed, along with its vintage look and serviceability.

January 15, 2025Watch on YouTube
07:46
Is my AliExpress Gravel Bike Build Trash?

The SEABOARD Road Bike Frame Set Thru Axle Gravel Bike Framework Chromolybdenum steel Off-road 142mm Flat Disc Brake 700Cx42C is not mentioned in this video.

March 16, 2025Watch on YouTube
13:16
AliExpress Flatbar Gravel Bike Build

The SEABOARD Road Bike Frame Set Thru Axle Gravel Bike Framework Chromolybdenum steel Off-road 142mm Flat Disc Brake 700Cx42C is not mentioned in this video.

January 29, 2025Watch on YouTube
Purchase

Where to Buy

aliexpress.com
£357.39· 2 stores
View Deals

Specifications

Attributes

Frame TypeGravel
Frame MaterialSteel
Brake MountFlat Mount Disc
Bottom BracketBSA Threaded
Seatpost27.2mm
Front Axle12x100mm Thru-Axle
Rear Axle12x142mm Thru-Axle
Max Tire Width45 mm
Headset Type1-1/8" Straight (IS42/28.6 | IS42/30)
Di2 Compatible—
Max Chainring Size—
UDH Compatible—
Includes Cockpit—
Geometry on BikeInsights
Stack : Reach1.52
2025 Base
XS (44)S (47)M (50)L (53)XL (56)

Included Components

SEABOARD CX03
Frame
2,870g
4130 Chromolybdenum steel frameset
Fork
900g
Total Weight3,770g

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