SEABOARD CX03
Frame

SEABOARD CX03

SEABOARD

Weight2870g
Year2025
CategoryFrame

This chromolybdenum steel gravel frame offers good value with attractive paint and practical features, though it has some weight and finishing compromises.

Pros

  • Well-packaged with all necessary bolts included
  • Attractive paint with reflective speckles and no visible chip marks
  • Outside cable routing for easy serviceability
  • Includes headset with sealed bearings and derailleur hanger

Cons

  • Bottom bracket area is not faced
  • Headset area is not reamed
  • Warning sign on top tube is clear-coated and cannot be removed
  • Frame and fork combined weight is 3 kilos

Key Facts

  • Chromolybdenum steel construction
  • 142mm thru-axle spacing
  • Flat disc brake mount

Reviews & Ratings

nikinik3 videos
nikinik on YouTubeover 1 year ago
A Steel Gravel Bike Frame from AliExpress?!
00:08:44
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.

AI Summary

Pros

  • Well-packaged frame
  • Spectacular color with reflective speckles
  • Paint looks well done with no visible chip marks
  • Includes a headset with sealed bearings
  • Outside cable routing for easy serviceability
  • Substantial company logo emblem
  • Comes with all necessary bolts
  • Affordable price compared to similar steel gravel frames
  • BSA standard threaded bottom bracket
  • Bosses for fender attachment

Cons

  • Bottom bracket area is not faced
  • Headset area is not reamed
  • Warning sign on top tube is clear-coated and cannot be removed
  • Frame and fork combined weight is 3 kilos, not lightweight
  • Through axles are on the heavier side
  • Cheap bolts might not hold up well

Key Points

  • Chromolybdenum steel construction
  • 142mm thru-axle
  • Flat disc brake mount
  • 700Cx42C tire compatibility
  • BSA threaded bottom bracket
  • Outside cable routing
  • Includes headset, through axles, seat collar, and derailleur hanger
  • Frame weight: 2 kilos
  • Fork weight: 1.6 kilos
  • Price: around €380
Purchase

Where to Buy

SEABOARD CX03 Road Bike Frame Set Thru Axle Gravel Bike Framework Chromolybdenum steel Off-road 142mm Flat Disc Brake 700Cx42C

SEABOARD CX03 Road Bike Frame Set Thru Axle Gravel Bike Framework Chromolybdenum steel Off-road 142mm Flat Disc Brake 700Cx42C

aliexpress.com
aliexpress.com#1005008884896417Affiliate · MyBikeParts
🇫🇷€505.99
🇬🇧£438.99
Checked 16 days ago
aliexpress.com
aliexpress.com#3256806036157259Affiliate · MyBikeParts
🇺🇸$449.95
Checked over 1 year ago

SEABOARD Road Bike Frame Set Thru Axle Gravel Bike Framework Chromolybdenum steel Off-road 142mm Flat Disc Brake 700Cx42C - AliExpress 18

aliexpress.com
aliexpress.com#1005006222472011Affiliate · MyBikeParts
🇺🇸$449.95
🇫🇷€508.69
🇬🇧£357.39
5.0 (2)
Checked over 1 year ago
aliexpress.com
£357.39· 3 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 Width (mm)45
Headset Type1-1/8" Straight
Di2 Compatible—
Max Chainring Size—
UDH Compatible—
Includes Cockpit—
UCI Legal—
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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