{"title":"Wheeltop Groupsets","description":"\u003cp\u003e\u003cstrong\u003eWheeltop\u003c\/strong\u003e manufactures wireless electronic \u003ca href=\"\/collections\/groupsets\"\u003egroupsets\u003c\/a\u003e that bring cable-free shifting to road and gravel bikes at an accessible price point. The TX series delivers road-specific wireless shifting compatible with Shimano drivetrains, while the GeX series covers gravel and mixed-terrain setups with wider gear ranges.\u003c\/p\u003e\n\u003cp\u003eWheeltop groupsets feature rechargeable batteries, wireless communication between shifters and derailleurs, and a straightforward installation process. Pair with a \u003ca href=\"\/collections\/complete-bikes\"\u003ecomplete bike\u003c\/a\u003e or \u003ca href=\"\/collections\/framesets\"\u003eframeset\u003c\/a\u003e build from Underdogs Cycling.\u003c\/p\u003e","products":[{"product_id":"wheeltop-road-eds-groupset","title":"Wheeltop Road EDS TX Groupset","description":"\u003cdiv class=\"udc-full\"\u003e\n\u003carticle class=\"prod-intro\"\u003e\n\u003ch1\u003eWheeltop Road EDS TX Groupset\u003c\/h1\u003e\n\u003cp\u003eA fully wireless electronic road groupset in carbon, with app-based tuning, long battery life, and a choice of hydraulic or cable brakes.\u003c\/p\u003e\n\u003csection class=\"features-benefits-grid features--image-sm\"\u003e\n\u003cdiv class=\"features-content\"\u003e\n\u003ch2\u003eWheeltop Road EDS TX Groupset — Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Wireless:\u003c\/strong\u003e drop the shift cables for a clean cockpit and easy install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon Construction:\u003c\/strong\u003e balances strength and weight for efficient riding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApp Control:\u003c\/strong\u003e fine-tune shifting, calibrate, update firmware, record rides, check battery, switch leisure\/race modes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Battery Life:\u003c\/strong\u003e up to ~20,000 shifts per charge and up to 800 charge cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Speed Range:\u003c\/strong\u003e 3–14 speed rear (1\/2 speed front).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic or Cable:\u003c\/strong\u003e choose the brake system that matches your build.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003c\/section\u003e\n\u003ch2 style=\"text-align: center;margin: 32px 0 16px\"\u003eWheeltop Road EDS TX Groupset — Specifications\u003c\/h2\u003e\n\u003csection class=\"features-flex\"\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003ch3\u003eApp Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRecord riding data\u003c\/li\u003e\n\u003cli\u003e3–14 cassette compatibility\u003c\/li\u003e\n\u003cli\u003eMultiple languages\u003c\/li\u003e\n\u003cli\u003eBattery status check\u003c\/li\u003e\n\u003cli\u003eFree shift up\/down setting\u003c\/li\u003e\n\u003cli\u003ePrecise per-cog tuning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"udc-frame-geo\"\u003e\n\u003ch2\u003eSpecifications — Hydraulic vs Cable\u003c\/h2\u003e\n\u003cdiv class=\"udc-geo-wrap\"\u003e\n\u003ctable class=\"udc-geo\"\u003e\n\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eHydraulic\u003c\/th\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Lever Length\u003c\/td\u003e\n\u003ctd\u003e140mm\u003c\/td\u003e\n\u003ctd\u003e140mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustable Range\u003c\/td\u003e\n\u003ctd\u003eNot Available\u003c\/td\u003e\n\u003ctd\u003eUp To 8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eCR2032\u003c\/td\u003e\n\u003ctd\u003eCR2032\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Compatibility\u003c\/td\u003e\n\u003ctd\u003eL 1\/2s R 3-14s\u003c\/td\u003e\n\u003ctd\u003eL 1\/2s R 3-14s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eHD:L 223±5g R 223±5g\u003c\/td\u003e\n\u003ctd\u003eL 202±5g R 214±5g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Sprocket\u003c\/td\u003e\n\u003ctd\u003e10-11T\u003c\/td\u003e\n\u003ctd\u003e10-11T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Sprocket\u003c\/td\u003e\n\u003ctd\u003e30-36T\u003c\/td\u003e\n\u003ctd\u003e30-36T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Range of Gear Change\u003c\/td\u003e\n\u003ctd\u003e36T\u003c\/td\u003e\n\u003ctd\u003e36T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRD Weight\u003c\/td\u003e\n\u003ctd\u003e336±5g\u003c\/td\u003e\n\u003ctd\u003e336±5g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Capacity\u003c\/td\u003e\n\u003ctd\u003e800mAh\u003c\/td\u003e\n\u003ctd\u003e800mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Compatibility (FD)\u003c\/td\u003e\n\u003ctd\u003e1\/2s\u003c\/td\u003e\n\u003ctd\u003e1\/2s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainring Compatibility\u003c\/td\u003e\n\u003ctd\u003e53T\u003c\/td\u003e\n\u003ctd\u003e53T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Range of Gear Change (FD)\u003c\/td\u003e\n\u003ctd\u003e16T\u003c\/td\u003e\n\u003ctd\u003e16T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFD Weight\u003c\/td\u003e\n\u003ctd\u003e191±5g\u003c\/td\u003e\n\u003ctd\u003e191±5g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAngle of Chain\u003c\/td\u003e\n\u003ctd\u003e61°-66°\u003c\/td\u003e\n\u003ctd\u003e61°-66°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eBand-On\/Braze-On\u003c\/td\u003e\n\u003ctd\u003eBand-On\/Braze-On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Capacity (FD)\u003c\/td\u003e\n\u003ctd\u003e500mAh\u003c\/td\u003e\n\u003ctd\u003e500mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Fluid\u003c\/td\u003e\n\u003ctd\u003eMineral Oil\u003c\/td\u003e\n\u003ctd\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaliper Mounting Type\u003c\/td\u003e\n\u003ctd\u003eFlat-Mount (Not Compatible with Post-Mount)\u003c\/td\u003e\n\u003ctd\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Disc Compatibility\u003c\/td\u003e\n\u003ctd\u003e140mm\/160mm\u003c\/td\u003e\n\u003ctd\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake System Weight\u003c\/td\u003e\n\u003ctd\u003e163±10g (Single)\u003c\/td\u003e\n\u003ctd\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Pads Type\u003c\/td\u003e\n\u003ctd\u003eCompatible with Shimano L04C, L05A, L04A\u003c\/td\u003e\n\u003ctd\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOil Hose Length\u003c\/td\u003e\n\u003ctd\u003eFront: 900mm, Rear: 1550mm\u003c\/td\u003e\n\u003ctd\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOil Hose Type\u003c\/td\u003e\n\u003ctd\u003eAvailable with Shimano BH-90\u003c\/td\u003e\n\u003ctd\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003csection class=\"udc-links\" aria-labelledby=\"links-title\"\u003e\n\u003ch3 id=\"links-title\" class=\"section-title\"\u003eHelpful Links\u003c\/h3\u003e\n\u003cp\u003eBrowse all \u003ca href=\"\/collections\/groupsets\"\u003egroupsets\u003c\/a\u003e and \u003ca href=\"\/collections\/wheeltop-groupsets\"\u003eWheeltop groupsets\u003c\/a\u003e, or explore our \u003ca href=\"\/collections\/components\"\u003ecomponents\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"udc-faq\" aria-labelledby=\"faq-title\"\u003e\n\u003ch2 id=\"faq-title\" class=\"udc-faq-title\"\u003eWheeltop Road EDS TX Groupset — FAQ\u003c\/h2\u003e\n\u003cdiv class=\"udc-faq-box\"\u003e\n\u003cdetails class=\"udc-faq-item\" open=\"\"\u003e\u003csummary class=\"udc-faq-q\"\u003eHow fast do orders ship?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eOrders ship once processing is complete and a tracking number is generated. Delivery time depends on your destination and the carrier.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\u003csummary class=\"udc-faq-q\"\u003eAre duties included?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eShipping and import handling vary by destination. Where DDP (Delivered Duties Paid) is available, duties are settled at checkout for eligible orders; otherwise local import duties may apply on delivery.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\u003csummary class=\"udc-faq-q\"\u003eWhat warranty applies?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eWheeltop groupsets carry a manufacturer warranty. If an issue occurs, Underdogs Cycling will guide you through the claim with the manufacturer.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\u003csummary class=\"udc-faq-q\"\u003eWill it fit my bike?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eThe EDS TX supports 3–14 speed rear setups with hydraulic (flat-mount) or cable brakes and up to a 53T chainring. Check the specifications table for sprocket, rotor and mount details.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"WHEELTOP","offers":[{"title":"Default Title","offer_id":50999156998459,"sku":null,"price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/Hydraulic_Disc_Brake_Groupset-24.png?v=1772136176"},{"product_id":"wheeltop-wireless-gravel-eds-gex","title":"Wheeltop Wireless Gravel EDS GeX Shifter\/Derailleur","description":"\u003cdiv class=\"udc-full\"\u003e\n\u003carticle class=\"prod-intro\"\u003e\n\u003ch1\u003eWheeltop Wireless Gravel EDS GeX Shifter\/Derailleur\u003c\/h1\u003e\n\u003cp\u003eA fully wireless gravel derailleur built to perform on the toughest terrain — combining rugged durability, a wide gear range, and configurable brake options.\u003c\/p\u003e\n\u003csection class=\"features-benefits-grid features--image-sm\"\u003e\n\u003cdiv class=\"features-content\"\u003e\n\u003ch2\u003eWheeltop Wireless Gravel EDS GeX Shifter\/Derailleur — Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless Shifting:\u003c\/strong\u003e no shift cables — fast, clean, hassle-free gear changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Gravel Design:\u003c\/strong\u003e combines the best of WheelTop's OX and TX systems for a strong, durable derailleur built for rough terrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Gear Range:\u003c\/strong\u003e 75 mm cage (10–46T) or 93 mm cage (10–52T), each with an adjustable clutch spring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Options:\u003c\/strong\u003e mechanical or hydraulic with alloy or carbon levers (model codes below).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic Compatibility:\u003c\/strong\u003e pairs with WheelTop BR-RA7800 calipers and TX levers; future 2x via TX front derailleur (75 mm cage).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomisable Speeds:\u003c\/strong\u003e compatible with 3- to 14-speed setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-image\"\u003e\u003ca href=\"https:\/\/underdogscycling.cc\/wp-content\/uploads\/2025\/03\/GEX_RD_Features.jpg\"\u003e\u003cimg class=\"td-modal-image\" src=\"https:\/\/underdogscycling.cc\/wp-content\/uploads\/2025\/03\/GEX_RD_Features.jpg\" alt=\"Wheeltop Wireless Gravel EDS GeX Shifter\/Derailleur features\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003ch2 style=\"text-align: center;margin: 32px 0 16px\"\u003eWheeltop Wireless Gravel EDS GeX Shifter\/Derailleur — Specifications\u003c\/h2\u003e\n\u003csection class=\"features-flex\"\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003ch3\u003eDrivetrain\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Wireless electronic rear derailleur (upgrade kit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 3–14 speed compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCage \/ range:\u003c\/strong\u003e 75 mm → 10–46T | 93 mm → 10–52T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch:\u003c\/strong\u003e Adjustable spring for chain retention\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003ch3\u003eShifters \u0026amp; Brakes (model codes)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeX 6600 \/ 6601:\u003c\/strong\u003e Mechanical, carbon levers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeX 6700 \/ 6701:\u003c\/strong\u003e Hydraulic, alloy levers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeX 7700 \/ 7701:\u003c\/strong\u003e Hydraulic, carbon levers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic calipers:\u003c\/strong\u003e WheelTop BR-RA7800\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLevers:\u003c\/strong\u003e TX alloy or carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuture 2x:\u003c\/strong\u003e TX front derailleur (75 mm cage only)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003csection class=\"udc-links\" aria-labelledby=\"links-title\"\u003e\n\u003ch3 id=\"links-title\" class=\"section-title\"\u003eHelpful Links\u003c\/h3\u003e\n\u003cp\u003eBrowse all \u003ca href=\"\/collections\/groupsets\"\u003egroupsets\u003c\/a\u003e and \u003ca href=\"\/collections\/wheeltop-groupsets\"\u003eWheeltop groupsets\u003c\/a\u003e, or explore our \u003ca href=\"\/collections\/components\"\u003ecomponents\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"udc-faq\" aria-labelledby=\"faq-title\"\u003e\n\u003ch2 id=\"faq-title\" class=\"udc-faq-title\"\u003eWheeltop Wireless Gravel EDS GeX Shifter\/Derailleur — FAQ\u003c\/h2\u003e\n\u003cdiv class=\"udc-faq-box\"\u003e\n\u003cdetails class=\"udc-faq-item\" open=\"\"\u003e\u003csummary class=\"udc-faq-q\"\u003eHow fast do orders ship?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eOrders ship once processing is complete and a tracking number is generated. Delivery time depends on your destination and the carrier.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\u003csummary class=\"udc-faq-q\"\u003eAre duties included?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eShipping and import handling vary by destination. Where DDP (Delivered Duties Paid) is available, duties are settled at checkout for eligible orders; otherwise local import duties may apply on delivery.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\u003csummary class=\"udc-faq-q\"\u003eWhat warranty applies?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eWheeltop groupsets carry a manufacturer warranty. If an issue occurs, Underdogs Cycling will guide you through the claim with the manufacturer.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"udc-faq-item\"\u003e\u003csummary class=\"udc-faq-q\"\u003eWill it fit my bike?\u003c\/summary\u003e\u003cdiv class=\"udc-faq-a\"\u003e\u003cp\u003eThe EDS GeX works with 3–14 speed setups; choose the 75 mm cage (10–46T) or 93 mm cage (10–52T) for your cassette and the brake variant for your build. If unsure, send us your frame, cassette and brake details.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"WHEELTOP","offers":[{"title":"Default Title","offer_id":50999157031227,"sku":null,"price":615.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/3424\/4411\/files\/GeX-7700.jpg?v=1772136178"}],"url":"https:\/\/underdogscycling.cc\/collections\/wheeltop-groupsets.oembed","provider":"Underdogs Cycling","version":"1.0","type":"link"}