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Brother Big Bro 2025

Brand: Brother
Model: Big Bro
Year: 2025
Category: NA
Similar bikes: Quirk Overland 2025, Ritchey P-29er 2025, Tumbleweed Stargazer Ti 2025, Tumbleweed Stargazer Gen 2 2025, Ridley Ignite GTX 2025

Brother Big Bro 2025

Geometry & Specs

Frame Size 16S 18M 20L 22XL
Estimated Rider Height 162cm - 171cm 171cm - 180cm 180cm - 188cm 188cm - 197cm
Specified Rider Height
Class
Style relaxed relaxed relaxed relaxed
Material steel steel steel steel
Fork rigid rigid rigid rigid
Handlebar drop bar drop bar drop bar drop bar
Suspension Correction 100 mm 100 mm 100 mm 100 mm
Top Tube Effective Length 575 595 620 645
Effective Top Tube Length (Est) 574.8269 594.9671 620.3301 644.6103
Reach 392 410 432 452
Stack 598 605 616 630
Standover 782 810 840 871
Head Tube Angle 69.5 70.0 70.5 70.5
Seat Tube Angle 73 73 73 73
Chainstay Length 445 445 445 445
Front Center 642 657 677 703
Bottom Bracket Drop 60 60 60 60
Trail 88 85 82 82
Trail 45 84 81 77 77
UDH YES YES YES YES
Tire Width Max 700c 66 66 66 66
Tire Width Max 650b 3 3 3 3
Axle Spacing
Stealth Dropper YES YES YES YES
Seatpost Diameter 30.9 30.9 30.9 30.9
Max Chainring 1x 38 38 38 38
Dropout fixed fixed fixed fixed
Internal Storage
Frame Weight 2600
Base Build USD
Frameset USD $1037 $1037 $1037 $1037
Location Kent, United Kingdom Kent, United Kingdom Kent, United Kingdom Kent, United Kingdom

Related

See where the Brother Big Bro 2025 fits into The GravelVerse, a plot that compares overall similarity of frame geometry among gravel bikes.

Compare three other bikes to the Brother Big Bro 2025 on key frame specs and frame geometry measures.

See how the geometry changes if you add a suspension fork to the Brother Big Bro 2025.

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