{"product_id":"ethirteen-helix-race-espec-chainring","title":"e*thirteen Helix Race e*spec Chainring","description":"\u003cp\u003eHelix R e*spec Chainring for Bosch CX\/SX - 32T, 13mm Offset, Black\u003c\/p\u003e\n\u003cp\u003eHelix R e*spec Chainrings merge cutting-edge design and performance. Designed as an upgrade for most popular ebike motor systems, they're available for Bosch CX Gen4\/Gen5, Bosch SX, TQ HPR50, Fazua Ride 60, Shimano EP8, DJI Avinox, as well as Specialized SL1.1 and 2.1\/2.2 motors. The 1-piece direct mount chainring, forged and machined from 7075 AL, boasts lightweight durability, impressive stiffness, and a standout technical aesthetic. Bosch rings come in two offset options; 13mm for 53mm chainline on CX Gen4\/SX and 55mm chainline on CX Gen5 bikes, or 15mm offset for 55mm chainline on CX Gen4\/SX, and 57mm chainline on CX Gen5.\u003c\/p\u003e\n\u003cp\u003eUpgrade chainrings for Bosch CX\/SX, TQ HPR50, Fazua Ride 60, Shimano EP8, DJI Avinox, and Specialized SL1.1 and 2.1\/2.2 motors\u003c\/p\u003e\n\u003cp\u003eNew M4 narrow-wide profile delivers enhanced chain retention and cross compatibility with Shimano, Sram, and TRP 11\/12s drivetrains, incl. T-Type\u003c\/p\u003e\n\u003cp\u003eForged-CNC 7075 AL for ultralight weight, with high strength, stiffness, and wear-life\u003c\/p\u003e","brand":"e*thirteen","offers":[{"title":"Bosch Direct Mount | 13mm Offset \/ 32t \/ Black","offer_id":56666450297218,"sku":"CR5ERA-100","price":75.95,"currency_code":"GBP","in_stock":false},{"title":"Bosch Direct Mount | 13mm Offset \/ 32t \/ Bronze","offer_id":56666450329986,"sku":"CR5ERA-102","price":75.95,"currency_code":"GBP","in_stock":false},{"title":"Bosch Direct Mount | 13mm Offset \/ 32t \/ Sterling Silver","offer_id":56666450362754,"sku":"CR5HRA-127","price":75.95,"currency_code":"GBP","in_stock":false},{"title":"Bosch Direct Mount | 13mm Offset \/ 34t \/ Black","offer_id":56666450395522,"sku":"CR5ERA-101","price":75.95,"currency_code":"GBP","in_stock":false},{"title":"Bosch Direct Mount | 13mm Offset \/ 34t \/ Bronze","offer_id":56666450428290,"sku":"CR5ERA-103","price":75.95,"currency_code":"GBP","in_stock":false},{"title":"Bosch Direct 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