Bosch Powerpack 400 Frame Battery (BBP3545) - The smart system ModelNumber=K5153 It’s built around a sleep

It’s built around a sleep cylindrical housing that offers a compact and lightweight form factor

}Wolf Tooth Aero Direct Mount Chainring - 52t Direct Mount SRAM 8-Bolt Drop-Stop B Black

The CR-M9050 EVO12 Boost chainring is crafted with high quality CNC machined 7075-T6 aluminum and features Wave Technology for proven chain retention in extreme conditions

Tooth Count 34 Ring Position/Type Chain Retaining Single Ring Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 104 Color Black Defined Color Black Material Aluminum

Ball End No Style T-Handle Set or Individual Individual Tip Size 3mm Hex

Bosch Powerpack 400 Frame Battery (BBP3545) - The smart system ModelNumber=K5153 It’s built around a sleepBosch PowerPack 400 Battery Frame Mount (BBP3545) The smart system. TECH SPECS keyword search EB1210000P