{"product_id":"shimano-ultegra-br-r8100-calliper-brake-rear","title":"SHIMANO ULTEGRA BR-R8100 CALLIPER BRAKE REAR","description":"\u003ch3\u003eThe Shimano Ultegra BR-R8100 represents the pinnacle of dual pivot brake engineering.\u003c\/h3\u003e\n\u003cp\u003eEngineered for road cyclists demanding precision stopping power, these calliper brakes deliver an exceptional balance of lightweight construction and rigid performance. The dual pivot design ensures consistent braking modulation across the entire rim surface, while the optimised geometry reduces weight without compromising stiffness. Shimano's proven braking technology provides reliable, responsive control in all weather conditions. Ideal for competitive cycling and long-distance touring, the BR-R8100 offers the confidence and feel serious riders expect from Ultegra-level components. Direct mounting compatibility with standard road frames makes installation straightforward.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe best balance between rigidity, weight and stopping power\u003c\/li\u003e\n\u003cli\u003eMore predictable, linear braking curve\u003c\/li\u003e\n\u003cli\u003eClear contact feeling with better linearity\u003c\/li\u003e\n\u003cli\u003eStabilizer added between axles work\u003c\/li\u003e\n\u003cli\u003eSleek design\u003c\/li\u003e\n\u003cli\u003eLess gap between each arms\u003c\/li\u003e\n\u003cli\u003eComfortable riding with wider tire on rough road\u003c\/li\u003e\n\u003cli\u003eBetter clearance with wider tire\u003c\/li\u003e\n\u003cli\u003eCompatible with 28C tire size\u003c\/li\u003e\n\u003cli\u003eDual Pivot and SLR-EV technology\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Road\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroup: \u003c\/strong\u003eUltegra R8100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e BR-R8100-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Rear - Dual Pivot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly pivot nut:\u003c\/strong\u003e Rear 10.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake shoe:\u003c\/strong\u003e R55C4 (standard for aluminum rim)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReach:\u003c\/strong\u003e 51mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnology: \u003c\/strong\u003eSLR-EV Dual Pivot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim width:\u003c\/strong\u003e 20.8-28mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum tire size:\u003c\/strong\u003e 28mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference brake lever:\u003c\/strong\u003e ST-R8150\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterial\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAluminium anodized\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eColour\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeries colour\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eContents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 Shimano Ultegra BR-R8100 Brake Caliper Rear\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SHIMANO","offers":[{"title":"Default Title","offer_id":57062716408183,"sku":"BRR8100R","price":73.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/2350\/2370\/files\/4550170893750.avif?v=1777649706","url":"https:\/\/www.allterraincycles.co.uk\/products\/shimano-ultegra-br-r8100-calliper-brake-rear","provider":"allterraincycles","version":"1.0","type":"link"}