Replacement pulley kits for microSHIFT Advent X derailleurs.

This upgrade kit allows you to pair 11 speed mechanical SRAM shifters with a 12 speed SRAM Eagle* derailleur and cassette. This is the neatest solution on the market to gaining all the performance advantages of a wide-range 1×12 drivetrain on a gravel, road or touring bike without the expense of electronic shifting. You can fit this kit if your chain stay/seat stay cable stop is over 70 mm from the dropout. If it is under 70 mm from the dropout you’ll need the 1×12 Upgrade Kit – Rear Cable Exit. For more information on kit compatibility, check our compatibility guide.Detailed insyallation videos can be found on the Ratio Web Site A great review can be found on BikePacking.Com As cyclists, we design the products we want on our bikes. The Ratio 12-Speed Upgrade Kit allows you to operate a SRAM Eagle* derailleur with your existing SRAM 11-speed shifters, gaining an unbeatable 500% or 520% range and 12 evenly spaced gears on your gravel, road or touring bike. For reference, a traditional 50/34 compact chainset with 11-28 cassette provides only 374% range. In your kit you will find: Ratio 12-speed ratchet, with shift spacing specially designed for SRAM Eagle* cassettes Ratio cable fin, replacing the existing cable fin on a SRAM Eagle* derailleur Ratio cable adjuster, providing indexing ability on a mountain bike derailleur Spare cable fin circlip M2.5 screw for shifter ratchet replacement Ratio chainstay sticker To use this kit you will need: SRAM 11-speed shifters from the Red*, Force*, Rival* or Apex* groups or the 10-speed S-700* shifters. A SRAM Eagle* derailleur from the XX1*, X01* or GX* groups. The kit is NOT COMPATIBLE with SX* and NX* derailleurs as the cable fins on these derailleurs are riveted in place. A SRAM Eagle* 12 speed cassette. We can’t confirm that aftermarket cassettes will perform properly with your drivetrain. A 12 speed chain for SRAM Eagle* drivetrains. A 1×12 speed compatible chainring.

This upgrade kit allows you to pair 11 speed mechanical SRAM shifters with a 12 speed SRAM Eagle* derailleur and cassette. This is the neatest solution on the market, giving you all the performance advantages of a wide-range 1×12 drivetrain on a gravel, road or touring bike without the expense of electronic shifting. Thanks to the rear-exit cable stop, this kit is compatible with all frame cable routing variations. For more information on compatibility, check our guide. COMPATIBLE: SRAM Eagle* derailleurs from the X01* or XX1* groups. NOT COMPATIBLE: SRAM Eagle* derailleurs from the SX*, NX* and GX*  (the cable pulley is riveted in place). Detailed insyallation videos can be found on the Ratio Web Site A great review can be found on BikePacking.Com As cyclists, we design the products we want on our bikes. The Ratio 12-Speed Upgrade Kit allows you to operate a SRAM Eagle* derailleur with your existing SRAM 11-speed shifters, gaining an unbeatable 500% or 520% range and 12 evenly spaced gears on your gravel, road or touring bike. For reference, a traditional 50/34 compact chainset with 11-28 cassette provides only 374% range. In your kit you will find: Ratio 12-speed ratchet, with shift spacing specially designed for SRAM Eagle* derailleurs Ratio cable fin, replacing the existing cable fin on a SRAM Eagle* derailleur Ratio rear-facing cable stop with adjuster, routing the cable out of the back of the derailleur for compatibility with all frame designs Cable Stop fitting screw Spare cable fin circlip M2.5 screw for shifter ratchet replacement Ratio chainstay sticker To use this kit you will need: SRAM 11-speed shifters from the Red*, Force*, Rival* or Apex* groups or the 10-speed S-700* shifters. A SRAM Eagle* derailleur from the XX1* or X01* groups. GX* derailleurs are NOT COMPATIBLE with the cable stop as the cable pulley is riveted in place – you can find a pre-fitted SRAM GX* derailleur in our 1×12 Wide Upgrade Kit + Rear Exit SRAM GX* Derailleur. The kit is NOT COMPATIBLE with SX* and NX* derailleurs as the cable fins on these derailleurs are riveted in place. A SRAM Eagle* 12 speed cassette. We can’t confirm that aftermarket cassettes will perform properly with your drivetrain. A 12 speed chain for SRAM Eagle* drivetrains. A 1×12 speed compatible chainring.

When using the GC 40 with a Shimano rear derailleur, a longer B-screw may be needed.  A longer b-screw is almost always needed when using the GC42 with a Shimano rear derailleur.   

The RoadLink is a simple device that offsets the position of your Shimano road derailleur to make it possible to run a wide-range mountain bike style cassette. It is an ideal solution for riders looking to convert their road, gravel, cyclocross, or commuter. The RoadLink is optimized for use with ten or eleven-speed 11-36t and 11-40t cassettes 11-42 or 10-42 setups are not supported Works with all 10-11 speed Shimano and SRAM Road Derailleurs Best used with Single or Double Setups - see manufacturer's site for more details

The RoadLink DM (Direct Mount) is the RoadLink designed to fit Shimano’s current generation R8000 Ultegra and R9100 Dura-Ace rear derailleurs. It serves as a simple device to offset the position of the rear derailleur, making it possible to run a wide-range mountain bike style cassette. It’s an ideal solution for riders looking to convert their road, gravel, cyclocross, or commuter.  Fits Shimano R9100-generation Dura-Ace and R8000-generation Ultegra rear derailleurs CNC machined from 6061-T6 aluminum with stainless steel bolt Does not change the derailleurs total chain wrap capacity Fits standard derailleur hangers only Best used with Single or Double Setups - see manufacturer's site for more details

The Tanpan makes Shimano 10 and 11 speed road shifters work with 10 and 11 speed mountain bike rear derailleurs!Wolf Tooth Tanpan for Shimano 10spd