Shimano Tiagra Lever ST4700 Right 2x10 Speed
???? What it is
The Shimano 105 FD-R7000 is an 11-speed front derailleur designed for modern road bike drivetrains.
It controls shifting between:
- The two front chainrings (2x system)
⚙️ Key features explained
???? Wide link design
- Larger linkage structure for added stiffness
- What it does:
- Improves shifting precision
- Reduces flex under load
???? Especially noticeable when shifting while climbing or sprinting
???? Wide inner link (rigidity upgrade)
- Strengthens the derailleur body
- Result:
- More consistent chain movement
- Better alignment with chainrings
???? This is why modern front shifting feels smoother than older systems
???? Toggle link design
- Replaces older long-arm designs
- Benefits:
- Lighter shifting effort
- Shorter lever movement
- More ergonomic feel at the shifter
???? You’ll feel less resistance when changing front gears
⚙️ 11-speed compatibility
- Designed for Shimano 11-speed road systems
- Works with:
- 105
- Ultegra
- Dura-Ace (11-speed generations)
???? Capacity: 16 teeth
- Difference between big and small chainring:
- Example: 50/34 (16T difference)
???? Standard for most road bikes
???? Support bolt (important detail)
- Small bolt that braces against the frame
- Purpose:
- Reduces flex under shifting load
- Improves accuracy
???? Especially useful on lightweight frames
???? Compatibility with wider frames (135/142mm O.L.D.)
- Designed to handle modern frame spacing
- Maintains good chainline and shifting performance
????️ Corrosion-resistant coating
- Aluminum parts are treated to resist:
- Rust
- Wear
- Weather exposure
???? Strengths
- Smooth and reliable front shifting
- Light lever action (easy shifting)
- Good stiffness and alignment
- Works well under load
- Great value for performance
???? Limitations
- Only for 2x setups (not 1x or triple)
- Requires proper setup for best performance
- Slightly heavier than Ultegra/Dura-Ace
- Front derailleurs always need precise tuning
???? Real-world verdict
This derailleur is:
???? A refined mid-range road front derailleur that delivers smooth, light, and reliable shifting—very close to higher-end Shimano performance.
???? Bottom line
The Shimano 105 FD-R7000 is:
- ✔ Smooth and precise
- ✔ Easy shifting action
- ✔ Reliable under load
- ✔ Excellent value
- ❗ Only for 2x road drivetrains
If you want, I can check compatibility between this and the Tiagra ST-4700 shifter you mentioned earlier—there’s an important detail there that could affect whether they work together.
This is the right-hand version of the Tiagra STI lever, and it’s the one that actually controls your rear gears.
???? What it is
The Shimano Tiagra ST-4700 Right STI Lever is a dual control lever for:
- ⚙️ Rear derailleur shifting (10-speed)
- ???? Rear brake control
???? On a road bike:
- Right lever = rear gears
- Left lever = front gears
⚙️ Key features explained
???? Dual Control Lever (STI)
- Combines:
- Gear shifting
- Braking
- Clean, efficient cockpit design
???? 10-speed compatibility
- Designed for 2x10 road drivetrains
- Works with:
- Tiagra 4700 rear derailleur
- 10-speed road cassette
???? Important: This is a specific pull ratio system (more on that below)
???? OPTISLICK cables
- Special coated inner cables
- Benefits:
- Lower friction
- Smoother shifting
- Better corrosion resistance
⚙️ OT-SP41 housing
- Pre-lubricated cable housing
- Improves:
- Shift consistency
- Cable longevity
- Performance in wet conditions
???? SUPER SLR braking
- Shimano’s improved brake cable system
- Gives:
- Better modulation
- More responsive braking feel
✋ Reach adjust
- Adjustable lever distance from the bar
- Useful for:
- Small hands
- Comfort tuning
- Better control
⚠️ VERY IMPORTANT COMPATIBILITY NOTE
This is where many people go wrong:
❗ Tiagra ST-4700 uses a different cable pull ratio than older 10-speed Shimano road systems
✔ Works with:
- Tiagra 4700 rear derailleur
- Shimano 11-speed road derailleur geometry
❌ Does NOT work properly with:
- Older 10-speed Shimano road derailleurs (like 4600, 5700)
- MTB derailleurs (Deore, XT, etc.)
???? This is a unique hybrid system
???? Strengths
- Smooth and reliable shifting
- Comfortable ergonomic design
- Good braking performance
- Durable for long-term use
- Great value mid-range component
???? Limitations
- Limited to 10-speed
- Compatibility restrictions (important!)
- Slightly heavier than higher-end groups
- Not electronic (Di2)
???? Real-world verdict
This lever is:
???? A dependable mid-range road shifter that delivers smooth performance, but requires careful matching with compatible components.
???? Bottom line
The Shimano Tiagra ST-4700 right lever is:
- ✔ Smooth, reliable 10-speed shifting
- ✔ Comfortable and adjustable
- ✔ Good braking feel
- ❗ Must be paired with the correct derailleur
