Best Steel Front Bike Derailleurs in 2026

Shimano Acera M360 7

8-Speed Rear Derailleur with SmartCage, Black

Rear Derailleur (3x8-speed)

8-speed drive train

Durable light action shifting peformance for stress free riding. Double Servo-panta Mechanism

Shimano fd-m310 Altus 8-Speed front derailleur, conventional swing, 42-48t, 66-69 degree

COMPATIBILITY & SIMPLE TO USE: Fit seat post size: 28.6mm. compatible with Shimano, Sram, FSA, Campagnolo type braze on front derailleur. Simply clamp the adapter on the seat tube.

STRONG: The adapter is made of high quality aluminum alloy AL6061 T6. It is also hardened by heat treatment.

LIGHT: The bike adapter weights only 40g or 1.4 oz. I will not add a lot weight to your light road bikes or MTB.

Anodised CNC machined bicycle jockey wheel with fully sealed bearing for center bolt derailleurs

Compatible:SHIMANO & SRAM

Fits for almost all mountain bike jockey wheel of 11T

Item Package Weight: 0.21 kg

Item Package Length: 9.2 cm

Item Package width: 12.0 cm

11 speed, non-parallel shift movement - Front derailleur maintains angular relationship with the chain

Trim removed from shifter ; Shifting feels more direct and precise on up and down shifts

Steel cage design

Pull Type: bottom

Mount Type: braze-on, clamp (31.8, 34.9mm)

Gearing: 44 - 53t top gear

【Model】 Shimano Tourney (SIS) RD-TZ31-GS 6/7 speed，medium-cage , direct mount.No retail packaging. Items as shown

【Specifications】 Total capacity(aka chain capacity) 34T, Largest sprocket 28T , Smallest sprocket 14T, Front chainwheel tooth difference 20T.

【Compatibility】 Compatible with 6 and 7-speed SIS Index Shifting drivetrains, for mountain bike.

Model: RD-TX800 tourney rear derailleur, compatible with 7/8 speed drive system, Suitable for MTB,mountain bikes, road bikes, folding bicycles and so on

Performance: Forged with high hardness aluminum alloy.The hollow weight-reduction design is adopted, and the speed change is more stable.

Precise Adjustment: High-hardness aluminum alloy body adjustment, adjustment is more precise. It can be adjusted slightly in multiple places to ensure accurate speed change performance.

Mountain double or triple

Dual Pull Design: Compatible with top or bottom routing

Shimano Reference Number: FD-M310

9 speed compatible Sora triple front derailleur delivers great value to sport level road riders

Wide pivot link increases rigidity while reducing flex for improved shifting response

Aluminium links and band to save weight and increase rigidity

FD-M310 Altus 8-speed front derailleur

Top swing

42-48T

MODEL:RD-TZ31-A bike rear derailleur, Compatible with 6 and 7-speed SIS Index Shifting drivetrains.

IMPORTANT : The hub bolt mount （hanger mount) rear derailleur for mountain bike, not direct mount.

EXCELLENT PERFORMANCE:Accurate gears provide light and stable shift performance,and making riding easy and comfortable.

【PACKAGE】2 x Bicycle Frame Derailleur Gear Tail Hook Replacement.

【FUNCTION】Play a role that protects the transmission after dialing role.

【APPLICATION】Universal type fit for most of bike in case of emergency.

Model: RD-TZ31-A; Bike rear derailleur, compatible with 6/7 speed mountain bikes, commuter bike, tricycle, folding bike etc.

Note: The bike rear derailleur is direct mount, not hub bolt mount. Please choose right mount way before you purchase.

Stability: Made of high quality durable aluminum alloy material and come with excellent shifting performance ensure your safe and stable while riding.

*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.

【MODEL】Bicycle rear derailleur RD-TY21B, suitable for 6-speed and 7-speed SIS index variable speed drives. Please pay attention to the speed when buying.

【Hook mounted】Before purchasing, please confirm whether the rear derailleur of your bicycle is directly installed or hook mounted. This model is a Hook mounted method.

【High-quality material】This bicycle rear derailleur is made of high-quality steel, sturdy and durable, not easily deformed and not easily damaged.

Material: aluminum

Mount Type: clamp-on

Recommended Use: cycling

Designed for a 63-66 degree chain stay angle

【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.

【Great Material 】Made of hard steel, durable and not esaily broken, rust proof, and easy to install.

【Special Design】Features stable front variable speed performance and narrow antiskid plate design.variable speed performance and narrow antiskid plate design.

【Durable】Can reduces the chance of damage to the lower fork after collision and abrasion of chain.

Converts braze-on front derailleurs to clamp style

Multi-height adjustment

Alloy construction

GENERATION Claris R2000

TOTAL CAPACITY 20T

MOUNT Brazed-On,34.9mm with 28.6mm and 31.8mm adapter

Material: [clamp] aluminum, [cage] steel

Pull Type: Bottom

Gearing: [top gear teeth] 46 - 53t, [total gear capacity] 16t

Light operation and smooth shifting, multi clamp band quick assembly.

Made of hard steel, durable and not esaily broken, rust proof, and easy to install.

Features stable front variable speed performance and narrow antiskid plate design.

Fit for 42‑34‑24 teeth three‑piece type crankset, high compatibility bidirectional cable arm, support both up and down trace, Suitable for 6/7/8/9/10/11 or 18/21/24/27/30/33 speed mountain bikes

Mount Type: Clamp On, 34.9 to 31.8 conversion clip ring, supports 31.8/34.9mm diameter tube, universal for most mountain bike

Precision machining ensures smooth operation. The chain moves from one sprocket to another, almost without wear

Material: [cage] forged aluminum, [bearings] steel, [hardware] stainless steel

Capacity: 50t, 52t

Cassette Range: [50t] 10 - 50t, [52t] 10 - 52t

Front derailleur clamp shims for adapting the clamp to smaller frame tube size

Available in 3 size options (28.6->31.8, 28.6->34.9, 31.8->34.9). Please select the size required when ordering.

Made of aluminum alloy. Sturdy and non-slip.

☞【Suitable For】-- Fit for 42‑34‑24 teeth three‑piece type crankset, high compatibility bidirectional cable arm, support both up and down trace.

☞【High Rigidity】-- Light in weight, precision, high strength durable steel forging, high rigidity, accurate and direct power transmission, speed change more sensitive and fast.

☞【Good Performance】-- 3 Speed Front Derailleur BMX with solid guide chain piece, with chrome plating , bright, wear ‑ resistant, rust ‑ proof, effectively reduce the replacement.