FSA NO.54 Integrated Headset H2291 8.15mm Upper / 9.4mm Lower Stack Height PRS-30 While the power meter is

While the power meter is not in use

5" TT Green

Rear Axle 12mm Thru x 148mm Cassette Body Type Shimano Dynasys 11 Speed Mountain Cassette Body Type Shimano/SRAM 8 9 10 Speed Color Black Skewer Included No Bearing Type Sealed Cartridge Designed for ebike Yes Defined Color Black Spoke Interface J-Bend keyword search electric bikes electric bicycle e-bike e-bikes Hub Drilling 32 Hub/Brake Compatibility 6-Bolt Disc

includes 16t cog

FSA NO.54 Integrated Headset H2291 8.15mm Upper / 9.4mm Lower Stack Height PRS-30 While the power meter isFSA NO. 54 Integrated Headset H2291 8. 15mm Upper 9. 4mm Lower Stack Height. This FSA integrated headset combines lightweight construction with smooth bearing operation ensuring consistent performance and clean aesthetics.