Ritchey Headset Top Cap With Bolt WCS Black 1-1/4" MFPN=TVX2110S29808S SHIMANO Equivalent BL-R400

SHIMANO Equivalent BL-R400

9mm 7075 aluminum shaft

nylon-steel gears 90 Nm of torque Extended lifetime 30000km(18750miles) BB Torque sensing Power outputs based on pedal strength Battery 48V/14AH battery with smart CANBUS protocol for more accurate battery capacity readout Powered by LG lithium cells Safety assurance with UL certification Controller CANBUS protocol Max 110amps for starting continuous 25amps power Charger 48V

Year 2021+ Model SIDLuxe Stroke 45mm/1

Ritchey Headset Top Cap With Bolt WCS Black 1-1/4" MFPN=TVX2110S29808S SHIMANO Equivalent BL-R400Replacement top caps for Ritchey and most other stems Size 1 1 4" Color Design Black (WCS)