{"product_id":"l-twoo-groupset-for-ett-erx-time-trial-electronic-hydraulic-disc-brake-2x10-12-speed","title":"L-TWOO Groupset for eTT-eRX (Time Trial) - Electronic Hydraulic Disc Brake, 2x10-12 Speed","description":"\u003cp\u003e\u003cstrong\u003eL-TWOO eRX eTT Electronic Groupset\u003c\/strong\u003e — the complete Time Trial (TT) configuration of L-TWOO's flagship eRX electronic hydraulic disc brake groupset. Semi-wireless shifting (Di2-style in-frame battery + wired derailleurs, wireless-style bar-end shift buttons) built for TT\/triathlon bikes, compatible with 2x10, 2x11, or 2x12 speed drivetrains (selectable via the L-TWOO app).\u003c\/p\u003e\n\n\u003ch3\u003eKit Overview\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUsage: Time Trial (TT) \/ Triathlon\u003c\/li\u003e\n\u003cli\u003eMain Material: Carbon \u0026amp; Aluminium\u003c\/li\u003e\n\u003cli\u003eGearing: 2x (front) \/ 10-12 speed (rear)\u003c\/li\u003e\n\u003cli\u003eShifting Type: Electronic\u003c\/li\u003e\n\u003cli\u003eBrake Type: Hydraulic Disc (Flat Mount)\u003c\/li\u003e\n\u003cli\u003eChainline: 43.5mm\u003c\/li\u003e\n\u003cli\u003eFront derailleur capacity: 40-56T chainrings\u003c\/li\u003e\n\u003cli\u003eRear derailleur range: 11-32T cassette\u003c\/li\u003e\n\u003cli\u003eRotor compatibility: 140mm + 160mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included \u0026amp; Specifications\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eTT Shift Controller (Bar-End) — ST-ERT1201-R \/ ST-ERT1201-2L\u003c\/strong\u003e\u003cbr\u003e\nBuilt-in battery powered, expandable locking structure for aerobar mounting\u003cbr\u003e\nWeight: 54g (controller) | Wide, thick-grip TT brake lever, 150g\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFront Derailleur — FD-ER1204\u003c\/strong\u003e\u003cbr\u003e\nSpeed: 2S | Mounting: Direct | Operation: Electric\u003cbr\u003e\nMax Gear Range: 56T | Capacity: 16T | Chainline: 43.5mm\u003cbr\u003e\nWeight: 142g\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRear Derailleur — RD-ER1203-MC\u003c\/strong\u003e\u003cbr\u003e\nSpeed: 10-12S | Main Material: Carbon \u0026amp; Aluminium\u003cbr\u003e\nCage Material: Carbon (outer) \/ Aluminium (inner)\u003cbr\u003e\nMax Gear Range: 11-32T\u003cbr\u003e\nWeight: 290g\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFront Brake Caliper — BR-R04A-160F\u003c\/strong\u003e\u003cbr\u003e\nType: Hydraulic, Flat Mount Disc Brake | Material: Aluminium\u003cbr\u003e\nRotor Compatibility: 160mm | Weight: 140g (incl. brake hose)\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRear Brake Caliper — BR-R07A-160R\u003c\/strong\u003e\u003cbr\u003e\nType: Hydraulic, Flat Mount Disc Brake | Material: Aluminium\u003cbr\u003e\nRotor Compatibility: 160mm | Weight: 140g (incl. brake hose)\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeat Tube Battery — BT-ER02\u003c\/strong\u003e\u003cbr\u003e\nLength: 165mm | Diameter: 18mm\u003cbr\u003e\nRated Voltage: 7.4V | Charging Voltage: 8.4V\u003cbr\u003e\nCharging Current: 1.5A | Capacity: 800mAh (5.92Wh)\u003cbr\u003e\nCharges via USB-C (USB-A to Type-C cable included); 5V\/2A+ charger recommended\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePower Line \/ Cabling\u003c\/strong\u003e\u003cbr\u003e\nLength: 0.9m + 1.2m | Line Diameter: 2.5mm | Plug Diameter: 5mm | Port: 4-pin\u003c\/p\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCassette and chain not included — compatible with standard 10\/11\/12-speed cassettes and chains.\u003c\/li\u003e\n\u003cli\u003eBrake fluid not included. Use high-quality mineral oil (e.g. Shimano) for bleeding\/maintenance.\u003c\/li\u003e\n\u003cli\u003eFirmware updates and shift customization available via the L-TWOO app (iOS \u0026amp; Android).\u003c\/li\u003e\n\u003cli\u003e2-year warranty on electronic components against manufacturing defects.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"L-TWOO","offers":[{"title":"Full Groupset","offer_id":52458519789799,"sku":"LTWOO-ETT-ERX2X12-11-10","price":84999.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/8384\/9447\/files\/2026-ERX-TT.jpg?v=1786100083","url":"https:\/\/www.dbykstore.com\/products\/l-twoo-groupset-for-ett-erx-time-trial-electronic-hydraulic-disc-brake-2x10-12-speed","provider":"D Byk Store ","version":"1.0","type":"link"}