{"product_id":"shimano-st-r7170-105-di2-hydraulic-disc-sti-shifter-brake-set","title":"Shimano ST-R7170  105 Di2 Hydraulic Disc STI Shifter \/ Brake Set","description":"\u003cdiv style=\"text-align: center;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShimano ST-R7170 105 Di2 Hydraulic Disc STI Shifter \/ Brake Set\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eShimano’s latest electronic Di2 105 shifters communicate wirelessly with the frame’s derailleur and battery system, making fitting easier and the front end cleaner. Although the levers are in exactly the same place as with the mechanical STI units, all that is needed to switch chainrings is a light press on the lever for an instant change. When a different sprocket is selected at the rear, the front derailleur also moves if necessary to prevent chain rub. There are also two different shifting programmes that can be selected, with full and semi synchronised modes providing two different ways to automatically ensure that optimal cadence is maintained.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe lever units also house the reservoir for the hydraulic brakes, with the caliper featuring an auto adjust to maintain brake feel and performance as the pads wear down. Two 22mm ceramic pistons in the caliper provide plenty of power and modulation whilst the finned L05A resin compound pads have excellent temperature regulation and bite. There is a wide range of reach adjustment for the brake lever so that all hand sizes can be accommodated.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003eGreat value 105 wireless hydraulic disc brake Di2 STIs give you control, modulation and power with minimal effort in all riding conditions\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eWireless connectivity for effortless trouble-free gear shifts\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eWith Di2 technology, shifting is easy and precise\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eFull and semi-synchronised shifting programable\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eSynchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to riding preferences\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eSemi-synchronised shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratio\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eSimply pressing tactile buttons allows effortless and comfortable shifting\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eDrop bar STI with shift buttons located in a near identical place to the positions of mechanical Shimano STI\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eHydraulic brake lever provides excellent stopping power\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eHydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eFinely tuneable reach adjusters for the levers enable custom fitment for all hands\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eLevers use CR1632 batteries which last for approximately 1.5-2 years\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eKit contains bled ST-R7170 STI, BR-R7170 flat mount brake calipers with pads, hoses and mineral oil (without rotors or adapters)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eBrake type: Disc brake\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eShifter type: Electric Di2\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eSpeed: 2 x 12 speed\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eColour: Black\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eSupplied OE, hence significant cost save\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eHose length: 1000mm \/ 1700mm (front \/ rear)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Pair","offer_id":55149771948419,"sku":"BKD2251 + BKD1758 \/ T25B + T33 F2","price":473.0,"currency_code":"USD","in_stock":true},{"title":"Right","offer_id":55149772112259,"sku":"BKD2251 \/ T25B","price":250.0,"currency_code":"USD","in_stock":false},{"title":"Left","offer_id":55149772276099,"sku":"BKD1758 \/ T33 F2","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/0196\/4698\/files\/nykh.png?v=1751891333","url":"https:\/\/sportandleisure.com\/en-us\/products\/shimano-st-r7170-105-di2-hydraulic-disc-sti-shifter-brake-set","provider":"Sport \u0026 Leisure","version":"1.0","type":"link"}