Brother Cycles Big Bro Thru Axle Dropouts
These sliding dropout plates are compatible with all Big Bro models, including the 2021 (Boost) version. They allow a 12x142mm or 12x148mm āMaxleā spec thru axle to be fitted rather than quick-release.
Axle specification:
- Maxle 12x142mm or 12x148mm
- Thread pitch M12x1.75
- Length 174mm or 180mm
- Includes mounting bolts and washers
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Brother Cycles Big Bro Thru Axle Dropouts
Brother Cycles Big Bro Thru Axle Dropouts
These sliding dropout plates are compatible with all Big Bro models, including the 2021 (Boost) version. They allow a 12x142mm or 12x148mm āMaxleā spec thru axle to be fitted rather than quick-release.
Axle specification:
- Maxle 12x142mm or 12x148mm
- Thread pitch M12x1.75
- Length 174mm or 180mm
- Includes mounting bolts and washers
Original: $28.32
-65%$28.32
$9.91Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
These sliding dropout plates are compatible with all Big Bro models, including the 2021 (Boost) version. They allow a 12x142mm or 12x148mm āMaxleā spec thru axle to be fitted rather than quick-release.
Axle specification:
- Maxle 12x142mm or 12x148mm
- Thread pitch M12x1.75
- Length 174mm or 180mm
- Includes mounting bolts and washers




















