{"product_id":"wolf-tooth-direct-mount-chainrings-for-bosch-e-bike-motor","title":"Wolf Tooth Direct Mount Chainrings for Bosch E-Bike Motor","description":"\u003cp\u003e\u003cstrong\u003eWolf Tooth Direct Mount Chainrings for Bosch E-Bike Motor\u003c\/strong\u003e are purpose-built for riders running Bosch Gen 4 e-bike systems who want a quieter drivetrain, improved chain retention, and long-term durability under high torque loads. Machined in Minnesota from premium 7075-T6 aluminum, these chainrings bring Wolf Tooth’s proven Drop-Stop tooth technology to modern e-MTB platforms.\u003c\/p\u003e\n\u003cp\u003eDesigned around a \u003cstrong\u003e55mm chainline\u003c\/strong\u003e, the chainring is compatible with most Boost and Super Boost frames using Bosch Gen 4 motors, delivering consistent alignment and smooth power transfer across demanding terrain. Precise CNC machining ensures excellent mud clearance and reliable chain engagement, even under the sustained torque that e-bikes generate.\u003c\/p\u003e\n\u003cp\u003eRiders can choose between two optimized tooth profiles depending on drivetrain choice. The \u003cstrong\u003eDrop-Stop B\u003c\/strong\u003e profile supports nearly all 9-, 10-, 11-, and 12-speed chains, including SRAM Transmission T-Type, while the \u003cstrong\u003eDrop-Stop ST\u003c\/strong\u003e profile is engineered specifically for Shimano HG+ 12-speed and KMC 12-speed chains. This targeted compatibility ensures quiet operation and reduced drivetrain wear.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor Interface:\u003c\/strong\u003e Direct mount design for Bosch Gen 4 e-bike motors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChainline:\u003c\/strong\u003e Optimized for a 55mm chainline.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTooth Profiles:\u003c\/strong\u003e Drop-Stop B for wide drivetrain compatibility; Drop-Stop ST for Shimano HG+ and KMC 12-speed chains.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame Fit:\u003c\/strong\u003e Compatible with most Boost and Super Boost Bosch Gen 4 setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExclusions:\u003c\/strong\u003e Not compatible with Pivot bikes using Super Boost chainline.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction \u0026amp; Materials\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC-machined 7075-T6 aluminum.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e Designed, tested, and machined in the USA.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Precision machining for durability and consistent chain engagement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWeights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e32T:\u003c\/strong\u003e 87g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e34T:\u003c\/strong\u003e 95g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFinal Take\u003c\/h3\u003e\n\u003cp\u003eThe Wolf Tooth Direct Mount Chainrings for Bosch E-Bike Motor are a smart upgrade for riders who demand reliability and drivetrain efficiency from their e-MTB. With proven Drop-Stop performance, USA-made quality, and Bosch-specific engineering, this chainring is built to handle real-world riding without compromise.\u003c\/p\u003e","brand":"Wolf Tooth","offers":[{"title":"Drop-Stop B \/ 34T","offer_id":45079739990060,"sku":"BG4-34-B","price":89.95,"currency_code":"USD","in_stock":false},{"title":"Drop-Stop ST \/ 32T","offer_id":45079740022828,"sku":"BG4-32-ST","price":89.95,"currency_code":"USD","in_stock":true},{"title":"Drop-Stop ST \/ 34T","offer_id":45079740055596,"sku":"BG4-34-ST","price":89.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/wolf-tooth-direct-mount-chainrings-for-bosch-e-bike-motor-1193464.jpg?v=1771292133","url":"https:\/\/ricycles.com\/products\/wolf-tooth-direct-mount-chainrings-for-bosch-e-bike-motor","provider":"RA Cycles","version":"1.0","type":"link"}