Best Derailleur Sets

TISEKER Derailleur Hanger Alignment Gauge Tool for Road Bike, Mountain Bicycle, MTB Frame Rear Dropout Derailleur

Timely Correction: A misaligned derailleur hanger can cause skipping, missed shifts, and wreak general havoc on your bicycle's drivetrain..
Essential Tool: Derailleur Hanger Alignment Gauge is an indispensable shop tool that can be used to both measure and straighten misaligned derailleur hangers, diagnosing and solving many shifting problems..
Widely Compatible: Suitable for virtually all derailleur-equipped bicycles, and adjusts to work with wheels from 20" to 29"+ ..
Superb Quality: Made of aluminum alloy with high strength and lightweight to ensure that the measurement data is accurate..
Easy To Use: Includes the user manual with complete step by step instructions so you can be sure you're on the right track to smooth gear changing..

ENSURE SMOOTH SHIFTING: Say goodbye to not shifting, chattering, and jumping with our derailleur alignment tool. Its precise design and easy-to-follow instructions guarantee a hassle-free and effective solution to all your bicycle drivetrain issues..
VERSATILE COMPATIBILITY: Our tool boasts improved clearance and reach, making it suitable for use on a wide range of frame and derailleur hanger combos, including low clearance thru-axle derailleur hangers..
FITS ALL BICYCLES: Suitable for most derailleur-equipped bikes, our tool is adjustable to work with wheel sizes ranging from 20" to 29"+, making it a versatile solution for all your bicycle maintenance needs..
IMPROVED PRECISION: Our tool is updated with tighter tolerances for improved accuracy, ensuring that you get the most precise alignment every time you use it. Plus, the replaceable 10mm x 1 threaded tip ensures longevity and durability..
BUILT TO LAST: Our derailleur alignment tool is made of heavy gauge chrome-plated steel, ensuring long-lasting performance. Its large inner shaft adds extra strength, making it a re....

--Provides a simple, accurate means for checking hanger alignment and for straightening hangers that are not properly aligned.
--The tool threads directly into the derailleur hanger. The gauge bar holds a gauge to mark the distance to the wheel..
--The gauge is rotated with the wheel to the 3, 6, 9, and 12 o'clock positions, noting any differences in measurements..
--The alignment of the derailleur hanger is accomplished by applying pressure to the tool's arm. The results can be checked instantly..
--Function: Proper alignment of a bike's derailleur hanger is important for reliable shifting. While a derailleur hanger can be bent when a bike is crashed or dropped on its side, even new frames often have misaligned hangers. Provides a simple, accurate means for checking hanger alignment and for straightening hangers that are not properly aligned..

Model：RD-TY21B rear derailleur compatible with 6/7 speed mountain bikes..
Note:The rear derailleur is direct mount,not hub bolt mount .Please check the mount type of the original part before ordering..
Stability: Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding..
Wide application: Rear derailleur is easy to use and maintain.Suitable for MTB,mountain bikes, road bikes, folding bicycles and so on..
Important: Please feel free to contact if you have any questions, we will provide quality service..

【Rigorous Design】:Double (top or bottom) pull, 3-speed design, can matching 6/7/8/9/10/11 speed rear derailleur (★Don't matching 12 speed rear derailleur)..
【Dimension】:Clip ring supports 31.8/34.9mm diameter tube. Crankset: 3 gears, compatible crankset 22-42T. universal for most mountain bike..
【Easy To Use】:Attach the front derailleur to the bike frame, temporarily tighten the toggle bolts, and then adjust the flat part of the chain guide outer guide plate to be parallel to the flat surface of the maximum crankset. Make adjustments, make it have 1-3mm space between the outer guide of the chain guide and the maximum crankset. After the adjustment is complete, tighten the ring bolts..
【SUITABLE】:Fits for most bikes like BMX, MTB, Mountain Bike，Road Bike. Great accessory for outdoor riding..
【Superior Material】: Bicycle Front Derailleur, made of high-quality aluminum alloy material, solid and solid chain guide plate, steel mark, chrome plated, bright, wear-resistant, rust-proof, high strength, durable, safe and reliable..

Smooth shifting, easy and fast to install. Bracket fit (under wheel nut) Long cage tourney derailleur, compatible with 11T /14T high speed gear.
Rear derailleur, compatible with 6 and 7-speed SIS INDEX variable speed transmission systems.
B tension adjustment screw, so that the distance between the upper guide wheel and the tooth tip of the largest flywheel can not be less than 6mm.
Long cage tourney derailleur, compatible with 11T /14T high speed gear.

Includes the SRAM GX Eagle AXS rear derailleur with battery, Eagle controller with clamp, charger with cord, and chain gap tool.
The GX Eagle AXS rear derailleur shifts on command, whether under climbing load or sprinting to the stage finish, and is smart enough to protect itself thanks to its incredibly resilient Overload Clutch.
Rear derailleur is compatible with 10-50t and 10-52t cassettes.
The GX Eagle AXS controller offers a unique wireless shifting experience with ergonomic touchpoints that are customizable to your preferences - you can choose what each button does through the AXS App.

【Groupset】Contains KMC 10 speed chain, 10 speed 11-50t cassette, 1x10 speed rear derailleur and shifter. Suitable for 1x 10 speed mountain bike..
【Chain】KMC 10 speed silver& black chain. Links: 116 links.
【Cassette】10 speed 11-50t cassette. Cassette cogs: 11-13-15-17-21-24-30-36-42-50T.
【Shifter】10 speed aluminum shifter. 1:1-Tech makes quick and precise shifting perfomance.
【Rear Derailleur】10 speed rear derailleur. Maximum compatible sprockets: 50T.

Replacement Derailleur Hanger for specific Specialized Bicycles Models and Model Years.
Includes 1 Derailleur Hanger with mounting bolt.
Please contact us if you are unsure if this derailleur hanger will fit your frame. Some models used 2 different hangers in same model year..
Black - We no longer put our logo on the hangers.