Speed (RPM) Bottom Bracket Cartridge – 118mm
The Speed / RPM 118mm bottom bracket cartridge is a sealed square-taper (JIS) bottom bracket commonly used on mountain bikes, hybrid bikes, and commuter setups. Designed for durability and low maintenance, it provides smooth, reliable crank rotation in everyday riding conditions.
⚙️ Technical Specifications
-
Spindle length: 118 mm
-
Shell width: 68 mm (standard BSA / English threading)
-
Interface: Square taper (JIS standard)
-
Type: Sealed cartridge bearing
-
Installation torque: 40–50 Nm (cup torque)
???? Key Features
-
Sealed cartridge design reduces dirt and water ingress for longer service life
-
Standard square-taper compatibility fits a wide range of cranksets
-
Low-maintenance operation—ideal for commuters and general MTB use
-
Reliable fitment for common 68 mm threaded bottom bracket shells
???? Ideal Use
- Mountain bikes (entry to mid-level builds)
- Commuter and hybrid bikes
- Replacement upgrade for worn square-taper bottom brackets
???? Bottom line
This 118 mm square-taper cartridge bottom bracket is a straightforward, dependable option for riders who want easy installation, solid durability, and low maintenance performance without complexity or high cost.
