Jagwire Pro LR2 Disc Brake Rotor - 203mm 6-Bolt Silver/Black CheckoutSpec= 32mm SID RLC A1(2017-2019)/RL B1-B2(2017-2019)/B4(2020+) USB rechargeable internal battery lasts

USB rechargeable internal battery lasts up to 63 hours

Backing Plate Material Steel Compound Sintered Heat Sink No Pad Shape Number 70

}Park Tool STL-2 Rolling Shop Stool

}SRAM/Truvativ GXP BB86 Stainless Steel Bottom Bracket Road

Jagwire Pro LR2 Disc Brake Rotor - 203mm 6-Bolt Silver/Black CheckoutSpec= 32mm SID RLC A1(2017-2019)/RL B1-B2(2017-2019)/B4(2020+) USB rechargeable internal battery lastsUtilizing a 2 piece construction design Jagwire LR2 rotors have a stainless steel braking surface to provide quiet consistent stopping power. The lightweight aluminum spider features an integrated concentric ring and reinforced rivet joints to resist warping and improve durability. Stainless steel machined braking surface resists corrosion and is tuned to reduce braking noise Aluminum spider helps keep weight to a minimum Compatible with all popular