{"product_id":"hayes-brake-dominion-a4-srl-disc-brake-caliper-dbkl0649-disc-brake-calipers","title":"Hayes Dominion SFL A4 Disc Brake System-4-Piston, Short Reach Lever, Hydraulic with Kevlar Hose, for DH \u0026 Enduro, Black - Bronze","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eExperience unrivaled stopping power with the Hayes Brake Dominion SFL A4 Disc Brake, Left\/Front, Black\/Bronze - engineered specifically for downhill, enduro, and aggressive mountain biking. This high-performance hydraulic disc brake features advanced materials, innovative technology, and ergonomic design to elevate your riding experience.\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 with premium components, the Hayes Dominion SFL A4 utilizes a robust post mount 74mm caliper for reliable braking under demanding conditions. The K2 braided Kevlar hose ensures maximum stiffness and minimal flex, delivering precise power transmission for confident control. The caliper houses four pistons, engineered to provide rapid, consistent braking force across all terrains.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eDesigned for aggressive riding styles, this brake combines low-effort lever input (LoFi) and ergonomic Short Reach Lever (SRL) technology, tailored specifically for riders with smaller hands for enhanced comfort and control. The QuickBite2 pad compounds, paired with Hayes D-series rotors (sold separately), offer fast, fade-resistant braking performance that remains dependable in high-temperature and fast-paced scenarios. Built for durability and stopping power, the Dominion SFL A4 ensures you can attack descents with confidence.\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- Ergonomic SRL Lever: Optimized for smaller hands, reducing fatigue on long technical descents.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003e- Four-Piston Design: Provides balanced, powerful braking force with improved modulation.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- Kevlar Braided Hose: Offers superior stiffness for maximum power transfer and minimal hose expansion.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- High-Performance DOT 5.1 Fluid: Boasts a high boiling point, ensuring consistent braking performance even under intense use.\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\u003eWith a sleek black and bronze finish, the Dominion SFL A4 adds a professional and aggressive aesthetic to any mountain bike. Ideal for downhill, enduro, and trail riders seeking ultimate control, this brake system excels in challenging terrain, offering responsive, fade-free performance when it matters most.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003eCompatibility \u0026amp; Accessories\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003eNote: Rotors and adapters are sold separately (Part# HY-8708\/10\/12). Always select the appropriate rotor size and mounting adapter for your bike to maximize performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eUpgrade your mountain bike's braking system with the Hayes Brake Dominion SFL A4 Disc Brake for unparalleled stopping power, durability, and rider comfort in demanding trail, enduro, and downhill riding conditions. Whether tackling steep descents or technical terrain, trust Hayes for precise, reliable braking performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered four-piston disc brake designed for downhill and enduro riding, ensuring maximum stopping power and durability under demanding conditions. \u003c\/li\u003e\n\u003cli\u003eConstructed with high-performance materials, including a black anodized aluminum caliper and woven Kevlar hose, for enhanced strength, reduced weight, and reliable power transmission. \u003c\/li\u003e\n\u003cli\u003eFeatures Hayes' QuickBite2 pad compounds and dedicated D-series rotors, delivering rapid, consistent braking performance across variable temperatures and speeds for confident control in aggressive riding. \u003c\/li\u003e\n\u003cli\u003eErgonomically designed Short Reach Levers (SRL) optimize braking feel for smaller hands, enabling precise modulation and reduced fatigue during intense rides. \u003c\/li\u003e\n\u003cli\u003eUtilizes DOT 5.1 brake fluid for high boiling point and superior thermal stability, combined with innovative low-force lever input (LoFi) technology to provide smooth, low-effort braking and excellent control for technical trails.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Hayes","offers":[{"title":"Default Title","offer_id":42355811254339,"sku":"DBKL0649","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/HY4858.jpg?v=1770799004","url":"https:\/\/365cycles.com\/products\/hayes-brake-dominion-a4-srl-disc-brake-caliper-dbkl0649-disc-brake-calipers","provider":"365 Cycles","version":"1.0","type":"link"}