For use with Shimano Ultegra R8150 Di2 12 speed rear derailleur. - Shimano Ultegra FD-R8150 Di2 front derailleur (2-speed) - Shimano Ultegra RD-R8150 rear derailleur (12-speed) - Shimano Ultegra FC-R8100 crankset (50/34T 170mm) - Shimano Ultegra CS-8100 cassette (11-30 teeth) - Shimano CN-M8100 Chain (Quick Link, 116 links) 1 x Shimano Ultegra Di2 Rear Derailleur (RD-R8150) 1 x Shimano Ultegra Di2 Front Derailleur (FD-R8150) 1 x Pair Shimano Ultegra Di2 (ST-R8170) Hydraulic Shift/Brake Levers, right & left 1 x Shimano EW-EC300 Charging Cable 1 x Shimano Di2 Internal Battery (BT-DN300) 1 x Shimano Ultegra Cassette (CS-R8100) Di2 Parts: Battery, Charging cable and two Di2 cables. Shimano Ultegra Di2 RD-R8150 Rear Derailleur (2x12-speed) Shimano Ultegra CS-R8100 11-30T 12 Speed Cassette Description. Tests show that the BT-DN300 battery lasts for 1000 km between charges. Shimano Ultegra R8150 Di2 12 Speed Rim Brake Groupset SPECIFICATION SHIMANO ULTEGRA Di2 ST-R8150 2x12 Speed Rim Brake Dual Lever Shifter SHIMANO ULTEGRA BR-R8100 Front Rear Dual Pivot Rim Brake Caliper SHIMANO ULTEGRA FC-R8100 52-36T HOLLOWTECH II Crankset 2x12 Speed (Pilih Varian) SHIMANO ULTEGRA Di2 FD-R8150 Front Derailleur 2x12 Speed Bottom line: If you like old-school 2x go with Di2. 30 miles on the groupset. Shimano has looked to its 12-speed XT mountain bike range for the chain, meaning Ultegra R8100 will use the CN-M8100 to simplify the purchase process for customers. The levers work wireless. Sold as a set left and right lever with brake cable and housing for rim brake. Reconnecting riders with the road, ULTEGRA R8100 is about the joy of leaning into a tight switchback, or the comradery shared amongst friends after a playful day of town line sprints and coffee stops. 1x Shimano chain CN-M8100 12S 116 links + QL. More versatile than thanks to a single cage length that is compatible for cassettes from 11-28 to 11-34. Shimano Ultegra R8000 11 Speed Groupset Groupsets. On your 12-speed rear derailleur, press-and-hold the button for 0.5 - 2 seconds. The Ultegra Di2 R8150 Road groupset from Shimano consists of a 2x12-speed crank with 36-52 tooth gradation, a rim brake set and an electronic rear derailleur and front derailleur. Coming from an XL bike so plenty of cabling and such for any bike. The Ultegra Di2 R8150 Road groupset by Shimano consists of a 2x12-speed power meter crank with 34-50 tooth gradation, a flat-mount disc brake set and an electronic rear derailleur and front derailleur for semi-wireless shifting. + $19.45 shipping + $19.45 shipping + $19.45 shipping. Shimano Ultegra Hydraulic Disc Brake Calipers with Pre-bled Hoses, (BR-R8170), Flat Mount, Front & Rear. There's nothing better! First introduced on . The all-new Di2 platform, used on both Dura-Ace and Ultegra, untethers the shifters while delivering the world's fastest, most reliable wireless shifting. WIRELESS WHERE IT MATTERS Shimano's new shifting systems use wireless technology where it makes sense for both day-to-day life and ultimate performance. 260.99. The new Di2 shifting system uses exclusive wireless technology to deliver the fastest and most precise shifting on the market. shipping country: language: shipping country: . Then, make sure Bluetooth is enabled on your phone, and open E-Tube Cyclist. Promo Shimano Ultegra R8150 Di2 12 Speed Rim Brake Groupset - 52T 172.5 34T di Tokopedia Promo Pengguna Baru Pasti Ori Garansi 7 Hari Cicilan 0% Kurir Instan. Shimano Ultegra R8100 Di2 12 speed groupset. That generation of components is obsolete now, but the name - digital integrated intelligence - lives on in the current Dura-Ace and Ultegra Di2 groups, and recently become available in GRX, Shimano's dedicated group for gravel, adventure, and cyclocross bikes as well. THE ULTEGRA R8150 Di2 Rim Brake Groupset. SHIMANO BATTERY BT-DN300 Di2 (1). Shimano Ultegra ST-R8150 brakes with wireless Di2 shifting. Buy best Shimano Ultegra R8100 12-speed DI2 Disc Brake Groupset 2022 with escrow buyer protection. Regular Price Sale Price Regular Price. In short, the new Shimano Ultegra R8100 Di2 groupset, launched in August 2021, has elevated things once again. ST-R8170 L & R 8170 Di2 Brake/Shifter FD-R8150 Di2 Front Derailleur FD-R8150 Front Derailleur - 12-speed - Smaller and lighter . Only 262 grams separates Ultegra from the top-of-the-line Dura Ace spec. With the fastest, most accurate shifting on the market, the new 12-speed Ultegra R8150 rear derailleur is more versatile than ever thanks to a single cage length option compatible with 11-28, 11-30, and 11-34 cassettes. Wider range capacity Max. Shimano Ultegra R8170 Di2 Disc Groupset. Front Brakeset: Shimano Ultegra ST-R8170/BR-R8170 Di2 Shift/Brake Lever and Hydraulic Disc Caliper - Left/Front. Shimano Ultegra R8150 Di2 Groupset (less calipers) 12 speed. Shimano Ultegra R8100 12-speed DI2 Disc Brake Groupset 2022(id:11554559), View quality Shimano Groupset, Road Bikes, Gravel Bikes details from Rodaparts Pte.Ltd storefront on EC21.com. Buy the Shimano Ultegra R8170 12-Speed Di2 Groupset online or shop all Bike from Backcountry.com. Bottom bracket, cassette, chain, crankset, Di2 8150 Shifting System Includes: Ultegra Di2 Levers, Di2 Front Derailleur, Di2 Rear Derailleur, Charger, 2 Wires (800mm & 1400mm) and Battery. Shimano Ultegra R8150 Di2 Groupset - 12 Speed. This new version features wireless functionality and is simplified in a single cage length making it compatible with 28-34T cassettes. Shimano ST-R8000 Ultegra Double Mechanical 11-Speed STI levers, Pair 303 -8%$32752$355.99 FREE Shipping by Amazon More Buying Choices $318.49 (14 used & new offers) Shimano Ultegra R8000 Cassette 2,530 $12489 Ultegra Di2 ST-R8170 STI brake/shift lever - Claimed: 391g - Actual: 404g. The Shimano Ultegra R8150 Groupset is as advanced as a bicycle drivetrain gets, with the fastest and smoothest operation across a wide range 2x12 setup. Revised crank length, chainring and cassette options with the focus on pedal efficiency the new 12 speed Ultegra covers all the needs of the amature rider as well as giving the professional and compeditor and advantage over other groups. Combining Shimano's new Di2 platform and the road incarnation of Hyperglide+, the Ultegra R8150 front derailleur shifts between chainrings with our fastest, most seamless action. Part number: Y3J145000. View More FEATURES Our fastest ever rear shifting, 58% faster than RD-R9150 Compact design includes an integrated wireless unit, charger, and switch Crankset Sizes in. It houses the recharging point for the system's battery and receives the wireless signals from the shifters for both . Shimano's Di2 (pronounced "dee-eye-two") was launched way back in 2009. Groupset Includes: Road - Ultegra Di2 12-speed: SHIMANO Ultegra Dual Pivot Brake BR-R8100 single | Brake Pads for Aluminum Rims - SHIMANO Bottom Bracket Ultegra SM-BBR60 | BSA. The levers work wireless. (FD-R8150) and rear derailleurs (RD-R8150). Buy Shimano Di2 Accessories from New Era Cycle online bike store. The RD-R8150 Ultegra Di2 rear derailleur weighs 262g and costs $409. Shimano Ultegra R8000 11 Speed Groupset Black. Detailed Ultegra R8150 Di2 2x12 Groupset Components: 1 x Shimano Ultegra Crankset (FC-R8100) Power Meter Crankset (FC-R8100-P) optional 1 x Bottom bracket optional 1 x Shimano Ultegra Di2 Rear Derailleur (RD-R8150) 1 x Shimano Ultegra Di2 Front Derailleur (FD-R8150) 1 x Pair Shimano Ultegra Di2 (ST-R8150) Shift/Brake Levers, right & left Behold! Save 0% . Shimano Ultegra 2500FC. - 1x Shimano Ultegra Di2 ST-R8170 / BR-R8170, Road . Just a small step below DURA-ACE in terms of weight and looks, Ultegra Di2 is the next best thing. Crankset Sizes in. Ultegra R8150 / R8170. Comes with: Shimano Ultegra L/R Hydraulic Shifters 2x12 (R8150) with hydraulic hosing. Save: 119.00. Shimano Ultegra Di2 (R8150/R8170) Groupset - Professional level performance groupset with electronic shifting An electronic version of the mechanical Ultegra group, shifts are effortless, accurate and instant at the push of a button with Ultegra Di2. Wireless shifters keep your cockpit clean and make the installation process far more simple. 2x12s Front Derailleur (1). * Single cage length compatible with 11-28 to 11-34 cassettes * LED indicator (battery, pairing, adjust mode) * Wireless functionality The R8150 Di2 12-Speed Rear Derailleur is the heart of the latest Shimano Ultegra electronic drivetrain. A tour de force in braking, ULTEGRA lets you focus on the next sprint, the next descent or conversations with your riding buddy. SHIMANO ULTEGRA LEVER ST-R8170-R / BR-R8170-L. SHIMANO ULTEGRA FD-R8150. The latest Ultegra Di2 brings with it a number of firsts and updates for Shimano's second-tier road groupset, including 12-speed gearing, wireless shifters, an Ultegra-level power meter option and. Just got my Ultegra R8100 Disc groupset in from my LBS today and thought I'd share the weights for anyone looking to reference for their build. Each groupset includes: Chain: Shimano XT CN-M8100 Chain - 12-Speed Cassette: Shimano Ultegra CS-R8100 Casette - 12-Speed Rim Brake: Shimano Ultegra BR-R8100 Road Caliper Brake Set Shifters: Shimano Ultegra ST-R8150 Di2 Dual Control Shift/Brake Lever Set Rear Derailleur: Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed, Medium Cage Of course, a rechargeable battery, a Quick-Link chain and a cassette with 11-30 or 11-34 teeth are also included. The LED will flash blue, indicating that the system is in BluetoothLE connection mode. One internal battery makes for a simple charging solution and ensures a stable and high voltage connection to the derailleurs, contributing to Shimano's fastest-ever shifting. Shimano EW-SD300 DI2 Wire 1200mm. Each groupset includes: Chain: Shimano XT CN-M8100 Chain - 12-Speed. Ultegra Di2 RD-R8150 (12 speed . Included in the package: Shimano EW-SD300 DI2 Wire 900mm. It shifts 45% faster than FD-9150. SRAM Eagle AXS mountain bike drivetrains are all 12-speed and work with 10-50t or 10-52t cassettes. On the MTB side, SRAM Eagle AXS has no real . Shimano Ultegra Di2 R8150 Groupset (Rim) RM 9,599.00 Components Include: Shimano Ultegra FC-R8100 52-36 170mm Shimano Ultegra ST-R8150 brakes with wireless Di2 shifting. 1-48 of 363 results for "shimano ultegra groupset" RESULTS Price and other details may vary based on product size and color. Shimano Ultegra R8100 Di2 Rim Brake 2x12s Groupset. Its widest range cassette is an 11-speed 11-46t. . Groupset Includes. Save: 224.90. Shimano 105 Di2 Disc 12 Speed Groupset RRP. Product Details Derailleur Shimano XT CN-M8100 12sp Chain. Smaller, sleeker, lighter thanks to a reduced frontal area by 33% and a weight . A battery lasts for 1000km of riding, the shifts are instantaneous and extremely precise, the brakes are easy to set up and maintain. To cover the charging port of the R8100 series rear derailleur. Bottom bracket, chain, crankset, Rim brake calipers - front and rear, Di2 8150 Shifting System Includes: Ultegra Di2 Levers, Di2 Front Derailleur, Di2 Rear Derailleur, Charger, 2 Wires (800mm & 1400mm) and Battery. With our fastest, most accurate shifting, the new 12-speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28-34T low sprockets. Shimano Ultegra Di2 RD-R8150 12 Speed Rear Derailleur Fastest ever rear shifting, 58% faster than RD-R9150 Compact design includes an integrated wireless unit, charger, and switch LED status indicator Battery indicator Pairing Adjust mode, etc. Shimano Ultegra 37 results If it's a performance groupset you're looking for, at a more palatable price point than the top of the range, then you need look no further than Shimano's Ultegra components. The revolutionary HYPERGLIDE+ technology lets you tackle climbs, sprints or simply train without having to think about the next gear change. A set of ST-R8170 shifters weighs 382g and costs $809. Groupset includes: - 1x Shimano Ultegra FC-R8100, Crankset, Speed: 12, Spindle: 24mm, BCD: 110, 34/50, Hollowtech II, 172.5mm, Black, Road Disc, IFCR8100DX04. 1 2 2 095,00. Offering similar performance capabilities as their top-tier groupset, Dura-Ace at a lower price point, it represents excellent value for money. The shifting speed of the front derailleur has been considerably increased 45% compared to the previous Shimano Ultegra R8050 Di2 front derailleur. Combining Shimano's new Di2 platform and the road incarnation of HYPERGLIDE+, the ULTEGRA R8150 front derailleur shifts between chainrings with our fastest, most seamless action. It features a 12-speed cassette with a bigger gear range and less gear steps for smoother shifting. low sprocket: 34T Shimano Ultegra FC-R8100 12 Speed Crankset . And shifting into oneness. Shimano does not offer a 12-speed Di2 mountain bike drivetrain using its wide-range 10-51t cassette. Please note these weights do not include the Di2 wiring, hydraulic hose length (and mineral oil inside) will differ from frame to frame and can affect total . With improved clearance for wider rims and tyres as well as a new Shadow Technology rear derailleur that gives a lower, more aero profile and increased protection from crash damage the Shimano Ultegra R8050 Di2 groupset marks a significant development in the evolution of Shimano's Di2 electronic drivetrain. 12-speed Di2 for all Shimano's latest and greatest Ultegra groupset is here in the form of the Ultegra Di2 R8100 Groupset and it's phenomenal. Shimano Di2 Internal Battery (BT-DN300) Ultegra FC-R8100 crankset Ultegra Di2 FD-R8150 front derailleur (2-speed) Ultegra Di2 RD-R8150 rear derailleur (12-speed) Ultegra CS-R8100 cassette Deore XT CN-M8100 (116 links, incl. This groupset includes the Ultegra Di2 left and right shift levers, Ultegra Di2 front and rear derailleur, a 900mm and 1200mm e-tube wire, as well as a chain, battery, and the battery charger. . Detail Groupset: Key Features: Wireless Di2 Shift Levers for a cleaner cockpit with 1.5-2 year battery life Revised STI ergonomics HYPERGLIDE+shifting technologydrivetrain . Claimed weight for a complete Ultegra Di2 R8000 groupset (with rim brakes and pedals) is 4,071g 85g lighter than the equivalent Ultegra 6870 Di2 groupset, and 505g heavier than Dura-Ace R9170 . . View More FEATURES Our fastest ever front shifting, 45% faster than FD-R9150 Smaller, sleeker, lighter Frontal area reduced by 33% Weight cut to 116 g Shimano Ultegra Di2 FD-R8150. aj table lamp louis poulsen; best cleaner for old hardwood floors; plunging mini dress$58+lengthminisize typeregulardepartmentwomen; pudding keycaps shopee Shimano Ultegra Di2 Front Derailleur (FD-R8150) Pair Shimano Ultegra Di2 (ST-R8170) Hydraulic Shift/Brake Levers, right & left. Crankset Sizes in 170 Cranksets are limited to 36-52t, Power Meter Cranks are not available Ultegra R8150 12 speed Di2 technology delivers 45% faster front shifting than FD-9150. 1x Shimano ULTEGRA Di2 RD-R8150 12S rear derailleur. Quick Buy . 959,99. Quick Buy Shimano Ultegra Di2 R8150 Rear Derailleur Move to . SHIMANO. The best bike accessories, parts and components shop. Shimano Ultegra R8150 Di2 Groupset (less calipers) 12 speed. This sets Shimano apart from the competition. An 11-30 Ultegra cassette weighs 297g (versus 223g for Dura-Ace), and despite getting a new spline pattern, remains compatible with 11-speed freehub bodies. It's about time and it's about leaving time behind. Smaller, sleeker, lighter thanks to a reduced frontal area by 33% and a weight cut to only 116g. . Rotors: Option to purchase Shimano rotors if required. . $1,890.99 Add to Cart Compare Shimano . The semi-wireless shifting is razor-sharp, the braking has improved - in terms of both. 1 710,00. It now fulfils the job of the junction box and offers Bluetooth and ANT+ connectivity as well as changing the gears. Bottom bracket, cassette, chain, crankset, Di2 8150 Shifting System Includes: Ultegra Di2 Levers, Di2 Front Derailleur, Di2 Rear Derailleur, Charger, 2 Wires (800mm & 1400mm) and Battery. Shimano Ultegra R8170 Di2 Disc Groupset - 12 Speed. The Ultegra R8050 Di2 groupset is the latest development in the evolution of the electronic groupset from Shimano. NEW Shimano Ultegra R8100 12-speed Di2 . Shimano R8170 Ultegra 12-Speed Groupset. This Ultegra Di2 R8150 road groupset from Shimano consists of a 2x12-speed crank with 34-50-tooth gradation, a flat-mount disc brake set and an electronic rear derailleur and front derailleur for semi-wireless shifting. Here are the essential features of Shimano Ultegra R8100 in a handy cut-out-and-keep bullet point format: Second-tier groupset moves from 11-speed to 12-speed It's available with Di2 (electronic shifting) only Shifters communicate wirelessly with the rest of the system (disc brake version only) Shimano claims faster derailleurs than previously The pinnacle of Shimano road technology and innovation, the new 12-speed ULTEGRA R8100 group is a fast and acute drivetrain. Of course, a rechargeable battery, a Quick-Link chain and a cassette with 11-30 or 11-34 teeth are also included. SHIMANO ULTEGRA RD-R8150 Rear Derailleur 12-Speed (1). Battery :: 52g. Ultegra R8150 12-speed shifting with refined ergonomics and exceptionally light weight. SL POSITION ADJUST YES. The Science of Speed, Shimano's design philosophy for its latest road groups, is comprised of five elements: a new Di2 platform, a refined interface and the addition of Hyperglide+. Haspelsnelle, 5.3 : 1, 0.25 mm, 160 m. 1 895 ,- . Shimano Ultegra Di2 RD-R8150. QuickLink chain connector) BT-DN300 battery (built-in type) EW-EC300 charging cable (1700 mm) Shimano Di2 Cable EW-DS300 (i) 900mm Ultegra Di2 FD-R8150 - Claimed: 110g - Actual:111g. 2021 Road & Gravel Groupset Weight Comparison Posted by ccache store on October 17, 2020 Updated Apr-2021 (added Rival AXS 12-speed) Crankset weights will vary depending on size and length. Cassette :: 294g (11-30) Chain :: 268g. Shimano Ultegra 2 x 12 Speed R8100 / R8170 Groupset - Hydraulic Disc - Di2 - Mariposa Bicycles Shimano Ultegra 2 x 12 Speed R8100 / R8170 Groupset - Hydraulic Disc - Di2 $ 3,499.00 3 in stock Cassette * Crank Length * Chainrings * Rotor Size * Bottom Bracket 1x Shimano Ultegra 2 x 12 Speed R8100 / R8170 Groupset - Hydraulic Disc - Di2 $3,499.00 The Shimano Ultegra R8150 Di2 12 speed front derailleur is an important part of the Shimano Ultegra R8150 Di2 12 speed groupset. Shimano Ultegra . Ultegra Di2 RD-R8150 (12 speed) Shifters . Cassette: Shimano Ultegra CS-R8100 Casette - 12-Speed. Freeing the shift levers from the rear of the bike cleans up the cockpit and simplifies the build process. You then use E-Tube Cyclist to register a new bike, or connect to a previously added bike. GROUSET COMPONENTS . The heart of this new groupset is the revolutionary HYPERGLIDE+ shifting technology. Rotors :: 108g (160mm), 88g (140mm) So there you have it. . $1,890.99 Add to Cart Compare Shimano This groupset includes the Ultegra Di2 left and right shift levers, Ultegra Di2 front and rear derailleur, a 900mm and 1200mm e-tube wire, as well as a chain, battery, and the battery charger. Description. Shimano Ultegra Di2 R8150 Rear Derailleur RRP 379.99. If you'd like a power meter with that, it'll cost you about 1100 extra. Tuning into tranquillity. The FD-R8150 Ultegra Di2 rear derailleur weighs 110g and costs $259. The FD-R8150 front derailleur combines Shimano's DI2 platform and the road incarnation of Hyperglide+ to provide fast and seamless shifting action between chainrings The RD-R8150 rear derailleur provides ultra-fast shifting, and is more versatile than ever thanks to a single cage length option compatible with 11-28, 11-30, and 11-34 cassettes Discs, crankset, electric cables, charging cable and battery not included. Front Derailleur: Shimano Ultegra Di2 FD-R8150; Rear Derailleur:Shimano Ultegra Di2 RD-R8150; Cassette: Shimano Ultegra Di2 CS-R8100 (Choice Of Ratio's) Chain: Shimano - 12 speed; Bottom Bracket: Shimano BB-R9100; Di2 Parts: Battery, Charging cable and two Di2 cables. SHIMANO Ultegra Di2 Road Group R8150 hydraulic Disc Brake 2x12. 1x Pair of shifting controls Shimano ULTEGRA Di2 ST-R8170. 50-34, 170mm. Meanwhile, connec Fastest ever rear shifting, 58% faster than RD-R9150 Compact design includes an integrated wireless unit, charger, switch. Shimano's Ultegra ST-R8150 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven Servo Wave technology. In Europe the R9270 groupset will cost you 3899, while the rim-brake R9250 will set you back 3849. Shimano Ultegra Di2 RD-R8050 Derailleur $249.99 SAVE 13 % MSRP $286.99 (18) Shimano Ultegra Di2 ST-R8050 Shifters $168.99 (2) Shimano Ultegra Di2 ST-R8060 Tt Shifters $367.99 (1) Shimano Ultegra Di2 RX RD-RX805 Derailleur $299.99 (1) Shimano Di2 SM-Bcr1 Battery Charger $32.68 (2) Shimano Di2 SM-Bcr1 Charger Power Cable $8.99 (2) Cassettes are 11-28 (or closest) We've removed bottom bracket weight as these are frame dependant. 12 Speed Di2 Rim brake Shifter Set Left and right lever. . Buy the Shimano Ultegra R8170 12-Speed Di2 Groupset online or shop all Components from Competitivecyclist.com. Combining Shimano's new Di2 platform and hyperglide+ to the new Ultegra FD-R8150. Shimano Ultegra BR-R8100 Rim brake (Direct Mount or Single Mount) Shimano Ultegra Di2 FD-R8150 Shimano Ultegra Di2 RD-R8150 Shimano Ultegra Di2 CS-R8100 (11-30) Shimano Ultegra RD-R8150 Rear Derailleur; Shimano Ultegra FD-R8150 Front Derailleur; Shimano EW-EC300 1700MM Charging Cable; Shimano Ultegra CS-R8100 12 Speed Cassette Shimano BT-DN300 DI2 Battery; Shimano Ultegra FC-R8100 Crankset; The new RD-R8150 rear derailleur offers fast and precise shifting for 12 speed road bikes. Ultegra Di2 RD-R8150 - Claimed: 262g - Actual: 260g. Taking technology from the Dura-Ace Di2 groupset while at the same time refining the previous version of their Ultegra Di2 groupset Shimano have tweaked the ergonomics of their Di2 shifters and included more shifting options to enable you to fine tune your setup to suit you. New. Of course, a rechargeable battery, a Quick-Link chain and a cassette with 11-30 or 11-34 teeth are also included. Shimano Ultegra R8100 Di2 Disc Brake Groupset 2x12s GROUSET COMPONENTS - Shimano Ultegra ST-R8170 Di2 dual control levers (left + right, 1000/1700 mm hose, J-Kit) - Shimano Ultegra ST-R8170 disc brake caliper (Flat Mount, L03A pads included) - Shimano Ultegra FD-R8150 Di2 front derailleur (2-speed)