SRAM DUB BSA External Threaded Bottom Bracket - BSA Threaded - 68mm Road Wide - 28.99mm DUB Ignore Wholesale Tier 1 Brand Rule Mountain biking is a demanding

Mountain biking is a demanding sport — compromises and shortcuts when it comes to gear are never a good idea

The tyre's design draws on Pirelli's long history creating tyres for motocross with plenty of support for the knobs and excellent mud-shedding qualities

Number of gears: 12

The tacky texture also offers excellent grip with or without gloves

How does it mount: Mount it to 31

SRAM DUB BSA External Threaded Bottom Bracket - BSA Threaded - 68mm Road Wide - 28.99mm DUB Ignore Wholesale Tier 1 Brand Rule Mountain biking is a demandingSRAM DUB bottom brackets are where stiffness meets durability. SRAM has made it incredibly simple by integrating the relationship between chainring, crank, spindle and bottom bracket and provide a single replacement for 30mm and 24mm BB spindles options. SRAM has created a simple bottom bracket solution that provides better drivetrain performance, increased durability and stiffness without introducing a new frame shell standard to the industry. DUB