{"title":"Derailleur","description":"","products":[{"product_id":"ec-202103311355","title":"[15% off] SRAM GX EAGLE AXS Upgrade Kit","description":"If your bike uses SRAM EAGLE components, you can use this kit to upgrade to the AXS wireless system. Since EAGLE components are fully compatible with each other, you can continue to use your current crank, chain, and cassette.\u003cbr\u003e You can combine EAGLE series components to suit your preferences.\u003cbr\u003e\u003cbr\u003e It uses the same electronic parts and motor as higher-end models, achieving performance comparable to \"XX1 AXS.\" The overload clutch reduces damage not only to the derailleur itself but also to the hanger and the bike frame.\u003cbr\u003e\u003cbr\u003e Kit includes: Rear derailleur, shift control lever, battery, battery charger, battery cover\u003cbr\u003e\u003cbr\u003e[000000004819:ec-202103311355]","brand":"grumpy","offers":[{"title":"GX EAGLE \/ AXS","offer_id":40584632336568,"sku":"ec-202103311355-1-1","price":132000.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/3919\/5064\/files\/007918104000-AM-GX-EAGLE-AX.jpg?v=1689048571"},{"product_id":"ec-311100134","title":"Gevenalle BURD Front Derailleur 34.9mm (31.8mm) Givenaile","description":"\u003cp\u003eThis is a short-cage front derailleur that prevents the cage from interfering with the chainstay or tire when using small gear ratios.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eIt is compatible with Shimano road shifters (Ultegra, Dura-Ace, 105, etc.).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese are specially manufactured for us, based on MicroShift's top-tier, ultra-light shifting mechanism.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe've removed the luxurious carbon cage and replaced it with an ultra-sturdy, smaller version that is more suitable for 36\/46 cyclocross gearing requirements (also compatible with 34\/50 compacts).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe stiffer cage makes shifting more precise and reliable when mud starts to accumulate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003cbr\u003e ・Compatible with Shimano\/Campy\/SRAM 10s \u0026amp; 11s\u003cbr\u003e ・Braze-on or 34.9mm (31.8mm adapter included)\u003cbr\u003e ・Chainline 43.5\u003cbr\u003e ・Maximum difference between outer and inner gear: 14T\u003cbr\u003e\u003cbr\u003e[000000001165:ec-311100134]\u003c\/p\u003e","brand":"grumpy","offers":[{"title":"Direct attachment","offer_id":47248833413422,"sku":"ec-311100134-1","price":6380.0,"currency_code":"JPY","in_stock":true},{"title":"Band clamp (31.8\/34.9)","offer_id":47248833446190,"sku":"ec-311100134-2","price":6380.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/3919\/5064\/products\/0000000011652_56084f22-bd12-4737-9bf5-4d933b96136a.jpg?v=1650220507"},{"product_id":"ec-sm-bct01","title":"[In Stock] Shimano XTR Di2 SM-BTC1 Battery Mount for Di2 Electronic Shifting System Mountain Bike MTB Cycling","description":"\n\n\n■External battery holder for built-in battery (SM-BTR2)\u003cbr\u003e\n  ■Low-profile design allows attachment to any type of frame bottle cage mount\u003cbr\u003e\n  ■Junction B function: 6 E-tube ports, with electric cable storage function.\u003cbr\u003e\u003cbr\u003e[000000000920:ec-sm-bct01]","brand":"grumpy","offers":[{"title":"Default Title","offer_id":40590726135992,"sku":"ec-sm-bct01","price":8854.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/3919\/5064\/products\/0000000009202_ba9783b4-f28a-4ba0-b8ff-bc93b3d85fdf.jpg?v=1650220429"},{"product_id":"ec-20220520124834","title":"Shimano FD-R8000 Band-type φ31.8mm (with 28.6mm adapter) 2x11S Compatible Top Gear: 46-53T","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eShimano Ultegra Front Derailleur Band Type\u003c\/p\u003e\n\u003cp\u003eFD-R8000\u003c\/p\u003e\n\u003cp\u003eModel No: FDR8000BSM\u003cbr\u003eShimano Part No: IFDR8000BSM\u003c\/p\u003e\n\u003ctable class=\"formdetail_ goodsspec_\" data-mce-fragment=\"1\"\u003e\n\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\n\u003ctr data-mce-fragment=\"1\"\u003e\n\n\u003cth data-mce-fragment=\"1\"\u003eMount Type\u003c\/th\u003e\n\n\u003ctd id=\"spec_variation_name1\" data-mce-fragment=\"1\"\u003eBand Type 31.8mm (with 28.6mm adapter)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-mce-fragment=\"1\"\u003e\n\n\u003cth data-mce-fragment=\"1\"\u003eSpeeds \/ Top Gear\u003c\/th\u003e\n\n\u003ctd id=\"spec_variation_name2\" data-mce-fragment=\"1\"\u003e2x11 \/ 46-53T\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-mce-fragment=\"1\"\u003e\n\n\u003cth data-mce-fragment=\"1\"\u003eChain Line \/ Capacity\u003c\/th\u003e\n\n\u003ctd id=\"spec_variation_name3\" data-mce-fragment=\"1\"\u003e43.5mm \/ 16T\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-mce-fragment=\"1\"\u003e\n\n\u003cth data-mce-fragment=\"1\"\u003eChainstay Angle, Compatible Chain\u003c\/th\u003e\n\n\u003ctd id=\"spec_variation_name4\" data-mce-fragment=\"1\"\u003e61-66°, HG-X11\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e","brand":"Grumpy Bike Shop","offers":[{"title":"Default Title","offer_id":41563240267960,"sku":"ec-20220520124834","price":7406.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/3919\/5064\/products\/FDR8000.jpg?v=1653018916"},{"product_id":"ec-2404261645","title":"BRANCHY PROTECTION Derailleur Guard Branchy","description":"\u003cp\u003eIt physically eliminates a wide range of external factors that can cause significant damage or malfunction to the rear derailleur, even if the strength of the derailleur itself is increased. These factors include mud splashes from the front wheel, flying stones, snagging on rocks or tree roots while riding, and strong impacts from the front right during a fall.\u003c\/p\u003e\n\u003cp\u003eThe Branchy Protection product was developed by a team of trail guides in Spain, who extensively tested it to eliminate stresses caused by the RD (rear derailleur) that customers experienced during guided tours. These stresses included snagging on obstacles, flying stones, mud accumulation, RD malfunctions from impacts, and interruptions to riding due to branches getting caught. This product helps customers enjoy their MTB rides by addressing these issues and is an item only riders can truly appreciate.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAs rear derailleurs (RDs) become more high-performance, multi-geared, and expensive, Branchy Protection is the definitive protection part that physically shields them.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eBranchy protects the rear derailleur from direct impacts and snags caused by rocks, branches, sticks, ruts, and other obstacles.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWeighing only 35 grams, it is a tough product that can withstand heavy use. Its design allows it to be installed on almost all bikes and brands on the market. It is compatible with all full suspension systems, such as high-pivot, Horst link, virtual pivot, single pivot, and Yeti's Infinity, and can also be used on hardtail bikes.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eBranchy is especially recommended for mountain biking, enduro, E-bikes, downhill, gravel, and more.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"grumpy","offers":[{"title":"One size \/ Black","offer_id":48628631568686,"sku":"ec-2404261645-1-blk1","price":9680.0,"currency_code":"JPY","in_stock":false},{"title":"One size \/ Silver","offer_id":48628631601454,"sku":"ec-2404261645-1-sil1","price":9680.0,"currency_code":"JPY","in_stock":false},{"title":"One size \/ Orange","offer_id":48629035598126,"sku":"ec-2404261645-1-org1","price":9680.0,"currency_code":"JPY","in_stock":true},{"title":"One size \/ Red","offer_id":48629035630894,"sku":"ec-2404261645-1-red1","price":9680.0,"currency_code":"JPY","in_stock":false},{"title":"One size \/ Green","offer_id":48629035663662,"sku":"ec-2404261645-1-grn1","price":9680.0,"currency_code":"JPY","in_stock":false},{"title":"One size \/ Kashima Gold","offer_id":49638652412206,"sku":"ec-2404261645-1-gld1","price":9680.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/3919\/5064\/files\/ec-2404261645_0.jpg?v=1714199461"},{"product_id":"wolf-tooth-universal-derailleur-hanger-udh-ディレイラーハンガー","title":"Wolf Tooth Universal Derailleur Hanger UDH Derailleur Hanger","description":"\u003cp data-start=\"54\" data-end=\"267\"\u003eThis is an aftermarket part compatible with the Universal Derailleur Hanger (UDH) standard, engineered for durability and reliability through high-precision CNC machining. Conforming to the UDH standard advocated by SRAM, it can be widely installed on compatible frames, regardless of whether they are road, gravel, MTB, or eMTB. It reduces the risk of bending or damage, which are weaknesses of genuine hangers, and protects the drivetrain from unexpected trouble during rides.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"269\" data-end=\"284\"\u003e\u003cstrong data-start=\"269\" data-end=\"282\"\u003e■ Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"285\" data-end=\"864\"\u003e\n\n\u003cli data-start=\"285\" data-end=\"398\"\u003e\n\n\u003cp data-start=\"287\" data-end=\"398\"\u003e\u003cstrong data-start=\"287\" data-end=\"300\"\u003eHigh Rigidity \u0026amp; Durability\u003c\/strong\u003e: Full CNC machining of 6061-T6 aluminum achieves excellent rigidity and impact resistance. Enhanced durability stabilizes shifting accuracy.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"399\" data-end=\"546\"\u003e\n\n\u003cp data-start=\"401\" data-end=\"546\"\u003e\u003cstrong data-start=\"401\" data-end=\"414\"\u003eUniversal Compatibility\u003c\/strong\u003e: Can be used with any manufacturer's UDH-compatible frame. Supports standard rear derailleurs from SRAM, Shimano, Campagnolo, etc. (Excluding SRAM full-mount transmissions).\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"547\" data-end=\"655\"\u003e\n\n\u003cp data-start=\"549\" data-end=\"655\"\u003e\u003cstrong data-start=\"549\" data-end=\"561\"\u003eImpact Protection Design\u003c\/strong\u003e: Designed to rotate backward in the event of a crash, reducing damage to the derailleur body and frame.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"656\" data-end=\"777\"\u003e\n\n\u003cp data-start=\"658\" data-end=\"777\"\u003e\u003cstrong data-start=\"658\" data-end=\"671\"\u003eCustom Color Options\u003c\/strong\u003e: The included bolts \u0026amp; washers are available in Color Shop anodized (9 colors to choose from), allowing for coordination with your frame or components.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"778\" data-end=\"864\"\u003e\n\n\u003cp data-start=\"780\" data-end=\"864\"\u003e\u003cstrong data-start=\"780\" data-end=\"788\"\u003eLightweight Design\u003c\/strong\u003e: Weighing approximately 32g, it allows for an upgrade without compromising riding performance.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"866\" data-end=\"876\"\u003e\u003cstrong data-start=\"866\" data-end=\"874\"\u003e■ Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"877\" data-end=\"967\"\u003e\n\n\u003cp data-start=\"879\" data-end=\"967\"\u003eMaterial: 6061-T6 Aluminum (hanger) \/ 7075-T6 Aluminum (included bolts\/washers)\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"968\" data-end=\"1031\"\u003e\n\n\u003cp data-start=\"970\" data-end=\"1031\"\u003eLightweight: Approximately 32g (varies by color and specification)\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1032\" data-end=\"1095\"\u003e\n\n\u003cp data-start=\"1034\" data-end=\"1095\"\u003eThread Pitch: M12 x 1.0 (standard UDH specification)\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1096\" data-end=\"1177\"\u003e\n\n\u003cp data-start=\"1098\" data-end=\"1177\"\u003eCompatibility: UDH-standard frames \u0026amp; standard rear derailleurs (SRAM, Shimano, etc.)\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e■ Recommended for those who:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eWant to improve durability and stability over their genuine UDH hanger.\u003c\/li\u003e\n\n\u003cli\u003eWant to have a spare part in case of unexpected damage.\u003c\/li\u003e\n\n\u003cli\u003eWant to enjoy color coordination that matches their frame or other components.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"1295\" data-end=\"1367\"\u003eThis is a reliable hanger upgrade part to maximize the potential of your UDH-compatible frame. It provides consistently optimal shifting and peace of mind by preventing potential issues.\u003c\/p\u003e","brand":"Grumpy Bike Shop","offers":[{"title":"Espresso","offer_id":51712351207726,"sku":null,"price":7920.0,"currency_code":"JPY","in_stock":false},{"title":"Olive","offer_id":51712364708142,"sku":null,"price":7920.0,"currency_code":"JPY","in_stock":true},{"title":"Orange","offer_id":51712364740910,"sku":null,"price":7920.0,"currency_code":"JPY","in_stock":true},{"title":"Ultraviolet Purple","offer_id":51712364773678,"sku":null,"price":7920.0,"currency_code":"JPY","in_stock":false},{"title":"Black","offer_id":51712368378158,"sku":null,"price":7920.0,"currency_code":"JPY","in_stock":true},{"title":"Blue","offer_id":51712368410926,"sku":null,"price":7920.0,"currency_code":"JPY","in_stock":false},{"title":"Red","offer_id":51712368443694,"sku":null,"price":7920.0,"currency_code":"JPY","in_stock":false},{"title":"Raw Silver","offer_id":51712368476462,"sku":null,"price":7920.0,"currency_code":"JPY","in_stock":true},{"title":"Gold","offer_id":67607452221742,"sku":null,"price":7920.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/3919\/5064\/files\/WTUDH-ESP.webp?v=1770354321"}],"url":"https:\/\/www.grumpy.jp\/en\/collections\/%e3%83%87%e3%82%a3%e3%83%ac%e3%82%a4%e3%83%a9%e3%83%bc.oembed","provider":"Grumpy Bike Shop","version":"1.0","type":"link"}