Tr1al JIS Square Bottom Bracket

• JIS square taper interface fits most square-taper trials cranksets
• chromoly steel spindle for strength and durability
• sealed cartridge bearings for smooth rotation and protection against dirt and water
• steel cups and body to keep weight low without sacrificing stiffness
• standard 1.37″×24 TPI (Euro/BSA) thread – compatible with most trials frames
• available in multiple spindle lengths
• supplied with steel crank bolts for secure installation
• note – actual product might look slightly different to the picture

The Tr1al JIS square bottom bracket is a reliable, low-maintenance solution for trials riders using square-taper cranks. Built with sealed cartridge bearings and a durable chromoly steel spindle, it ensures smooth rotation and long service life.

• 124.5mm – 18″ 840mm Varial bike
• 127mm – 18″ 740mm Varial bike