{"product_id":"raceface-aeffect-r-170-mm-configurable-ck8045-bicycle-crankset","title":"Race Face Aeffect R Crankset 9-Speed 170mm Cinch Direct Mount 32T 51mm GXP Stealth","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eIntroducing the RaceFace Aeffect R Crankset - the perfect upgraded component for mountain biking enthusiasts seeking Enduro-level strength combined with XC-weight efficiency. Crafted from high-grade forged 7050 aluminum, this crankset delivers exceptional stiffness and durability without adding unnecessary weight, making it ideal for aggressive trail riding and demanding climbs.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from aerospace-grade 7050 aluminum, the RaceFace Aeffect R crankset offers a lightweight yet robust frame designed to withstand the rigors of mountain biking. Its forged fabrication process ensures superior strength and stiffness, optimizing power transfer and efficiency on every pedal stroke. The 24mm RaceFace EXI spindle interface guarantees a secure fit and reliable performance under high torque loads.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Components\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eDesigned to excel in challenging off-road conditions, this crankset features a versatile CINCH system that provides extensive compatibility with interchangeable spider options and direct-mount chainrings. It supports aluminum or steel CINCH direct mount chainrings, sold separately, allowing customization for different terrains and riding styles. The boost-compatible 24mm EXI spindle interface ensures compatibility with a wide range of modern mountain bike hubs (135\/142mm MTB hubs, 141\/148mm Boost hubs).\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003e- CINCH System: Proprietary versatile interface enables easy conversion between standard chainring standards and future-proof upgrades.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003e- Multiple Chainline Options: Choose from direct mount chainlines of 51mm or 57.5mm (flipped ring), 49.5mm for 2X, or 52.5mm for Boost 2X setups, offering tailored performance for your bike build.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- Removable Spider: Proprietary Cinch spider can be swapped or removed, providing flexibility for single or multiple chainring configurations.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- Lightweight Design: Weighing approximately 632 grams (with 32T direct mount alloy ring, excluding bottom bracket), combining strength with minimal weight for nimble handling and climbing efficiency.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003eSport a stealthy matte black finish with a sleek and modern aesthetic that integrates seamlessly into any mountain bike build. Engineered specifically for aggressive Enduro and cross-country riders, this crankset is optimized for durability, responsiveness, and speed on varied terrain, from rocky descents to technical climbs.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003eTechnical Compatibility \u0026amp; Specifications\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Crank Length: 170mm\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Spindle Diameter: 24mm EXI interface\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Chainline Options: 51mm, 57.5mm, 49.5mm (2X), 52.5mm (Boost 2X)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Chainring Compatibility: Direct Mount CINCH, sold separately\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003e- Intended Use: Mountain biking \/ Enduro \/ XC\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003e- Materials: Lightweight aluminum\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-20\"\u003e\u003cp\u003e- Pedal Spindle: 9\/16\"\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-21\"\u003e\u003cp\u003e- Bottom Bracket: Sold separately (RF-2925 for 68\/73mm shells)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-22\"\u003e\u003cp\u003eUpgrade your mountain bike with the RaceFace Aeffect R Crankset for unmatched strength, innovative versatility, and optimized performance. Whether you're conquering technical descents or powering through long climbs, this crankset will elevate your riding experience.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-23\"\u003e\u003cp\u003eKeywords: RaceFace Aeffect R Crankset, mountain bike crankset, aluminum crankset, boost compatible crank, XC crank, Enduro crank, CINCH system, direct mount chainring, 24mm spindle, lightweight mountain bike crank, trail riding crank, bike upgrade, RXC137\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003e Lightweight forged 7050 aluminum crankset delivers enduro-grade strength with XC-level weight for optimal performance on demanding trails and cross-country rides. \u003c\/li\u003e\n\u003cli\u003e Compatible with Boost and standard hubs (135\/142mm and 141\/148mm) using RaceFace EXI spindle technology, ensuring versatile setup options across various mountain bike frames. \u003c\/li\u003e\n\u003cli\u003e Features RaceFace's proprietary CINCH system for easy interchangeability of chainrings and spiders, allowing customization with direct mount or narrow-wide chainrings (sold separately) to suit your riding style. \u003c\/li\u003e\n\u003cli\u003e Designed with a 170mm crank arm length and 9\/16\" pedal spindle, offering reliable power transfer and compatibility with a wide range of pedals, ideal for aggressive enduro riding or XC racing. \u003c\/li\u003e\n\u003cli\u003e Sleek black aesthetic with innovative removable spider system, providing future-proof flexibility for upgrading to new chainring standards and maintaining a streamlined, stylish appearance on any mountain bike.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Race Face","offers":[{"title":"Default Title \/ 165mm","offer_id":42734492188739,"sku":"CKST0834","price":141.99,"currency_code":"USD","in_stock":true},{"title":"Default Title \/ 170mm","offer_id":42734492221507,"sku":"CK8045","price":141.99,"currency_code":"USD","in_stock":true},{"title":"Default Title \/ 175mm","offer_id":42734492254275,"sku":"CK8046","price":141.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CK8045.jpg?v=1783181451","url":"https:\/\/365cycles.com\/products\/raceface-aeffect-r-170-mm-configurable-ck8045-bicycle-crankset","provider":"365 Cycles","version":"1.0","type":"link"}