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SHIMANO INC ISTR7170LA Left Front Sti Brake Lever 550170168667 Inc. 105 ST-R7170 2-SPEED DI2 Shift/brake

Istr7170la Shimano Inc. 105 St-r7170 Left 2-speed Di2 Front Sti Shift/brake Lever For Parts

( Brand: Shimano Inc ), ( Manufacturer Part Number: ISTR7170LA ), ( Part Type: Lever ), ( UPC: 550170168667 ), ( Product Type: Brake/schaltkombo Left ), ( Color: Black ), ( Number Of Gears: 2 Courses ), ( Compatible Bike Type: Universal ), ( Number Of Speeds: 2 Speed )

Review SHIMANO INC Inc. 105 Left 2-speed Di2 Front Sti Shift/brake Lever Parts

Shimano Ultegra-level Performance with ISTR7170LA 105 ST-R7170 Left 2-Speed Di2 Front ST-i Shift/Brake Lever

Experience the smooth, precise, and efficient shifting of a higher-tier groupset with the Shimano ISTR7170LA 105 ST-R7170 Left 2-Speed Di2 Front ST-i Shift/Brake Lever. Designed for road cyclists seeking performance-oriented components without breaking the bank, this lever is a testament to Shimano's engineering excellence and commitment to innovation.

The ISTR7170LA is part of Shimano's 105 series, which offers many of the features found in Shimano's top-tier Ultegra groupset at a more accessible price point. This left front ST-i shift/brake lever is a crucial component of a 2-speed Di2 drivetrain, providing intuitive electronic shifting and powerful braking in a single ergonomic package.

The lever boasts a sleek, aerodynamic design that minimizes wind resistance, allowing you to maintain speed and stability even in challenging conditions. The lever blade is crafted from carbon fiber reinforced resin, ensuring lightweight durability and a comfortable grip, even during long rides.

Equipped with Shimano's renowned Di2 electronic shifting technology, the ISTR7170LA delivers fast, accurate, and reliable shifts at the touch of a button. The system's wireless communication eliminates the need for cable housing and reduces wear, ensuring consistent performance over time. The front derailleur is controlled by a separate, separately-sold, Di2-compatible unit.

The lever also features Shimano's Super SLR-EV brake lever technology, offering superior modulation and braking power. The lever's reach adjustment allows riders to customize the lever position for optimal comfort and control.

In summary, the Shimano ISTR7170LA 105 ST-R7170 Left 2-Speed Di2 Front ST-i Shift/Brake Lever is a high-quality, performance-oriented component that delivers the shifting and braking performance of a higher-tier groupset at an affordable price. Whether you're a weekend warrior or a competitive cyclist, this lever is an excellent choice for enhancing your road cycling experience.

An In-depth Analysis of Shimano Ultegra ST-R7170 LA 105 2-Speed Di2 Front STI Shifter/Brake Lever

Pros:

1. Integrated Shifter and Brake Lever: This design reduces the overall handlebar clutter, providing a clean and sleek look. The combined functionality also enhances responsiveness and control.

2. Electronic Di2 Shifting: The 2-speed electronic Di2 system ensures precise and consistent gear shifts, even under high pedaling loads. It eliminates the need for mechanical cable adjustments, reducing maintenance requirements.

3. Superior Braking Performance: Shimano's hydraulic disc brakes provide powerful and modular braking, allowing for precise control in various riding conditions.

4. Compatibility: The ST-R7170 LA is compatible with most road bike setups, making it a versatile choice for a wide range of bikes.

5. Durability: Shimano components are renowned for their robustness and durability, ensuring long-term use and reliability.

Cons:

1. Cost: Electronic shifting systems like Di2 tend to be more expensive compared to mechanical shifting options.

2. Complexity: While the electronic shifting system offers many benefits, it can be more complex to troubleshoot and repair compared to mechanical systems.

3. Battery Life: The electronic shifting system relies on a battery, which will need to be periodically charged and replaced.

4. Weight: The electronic components and hydraulic system may add some weight to the bike, which some riders may find undesirable.

Conclusion:

The Shimano Ultegra ST-R7170 LA 105 2-Speed Di2 Front STI Shifter/Brake Lever offers a high level of precision, control, and performance for road cyclists. Its electronic shifting and hydraulic braking systems provide a smooth and consistent ride, while its sleek design reduces handlebar clutter. However, its higher cost, potential complexity, battery life concerns, and added weight are factors to consider before making a purchase.

Recommendation:

If you prioritize precision, performance, and a clean handlebar setup, the Shimano Ultegra ST-R7170 LA 105 2-Speed Di2 Front STI Shifter/Brake Lever could be an excellent choice for your road cycling needs. However, if you're looking for a more cost-effective option or prefer a lighter setup, you may want to consider mechanical shifting alternatives. It's essential to weigh the pros and cons based on your specific needs and preferences before making a decision.

Details:

For parts only Left shiftier buttons are broken Hydro brake lever is fine.

part #: istr7170la prices

  • $194.81-$375.00

specifications ribicycl:

  • brand: Shimano Inc
  • mpn: Istr7170la
  • part type: Lever
  • upc: 550170168667
  • product type: Brake/schaltkombo Left
  • color: Black
  • number of gears: 2 Courses
  • compatible bike type: Universal
  • number of speeds: 2 Speed

offer ribicycl:

  • started: September 29, 2025
  • sold: 0
  • best offers: True
  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home

payments ribicycl:

  • credit card: Diners-club
  • other
  • wallet: Apple-pay

returns ribicycl:

  • method: Money back
  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Buyer

general ribicycl:

  • condition: For parts or not working
  • Cycling > Bicycle Components Parts > Shifters

seller ribicycl:

  • # reviews: 10161
  • rating: 98.5%
  • city: Indianapolis, Indiana

shipping ribicycl:

  • carrier: USPS
  • class: Standard
  • transit: 4-10 Days
  • service: USPS Ground Advantage
  • cost: $7.01
  • type: Calculated
part type: lever, product type: brake/schaltkombo left, number of gears: 2 courses, compatible bike type: universal, number of speeds: 2 speed,
category: sporting goods > cycling > bicycle components parts > shifters, color: black, sku: 14908528496920983,
Shimano Inc ISTR7170LA Is Similar To:
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5 offers $194.81–$375.00 USD
  • Used. Offer #1 priced at $299.95 + $7.95 shipping estimate = $307.90* total. Position: Front/Left & Rear/Right. Model: 105 Di2 ST-R9270 & BR-R9270.+$7.95 shipping
  • New other (see details). Offer #2 priced at $375.00 + $13.00 shipping estimate = $388.00* total. +$13.00 shipping
  • New other (see details). Offer #3 priced at $194.81 + $5.00 shipping estimate = $199.81* total. Uses two CR1632 batteries (battery life: 3.5 to 4 years) Compact, ergonomic performance cascaded from DURA-ACE Raised hood peak improves ergonomics, while a longer hood body increases hand support . Worry-free Di2 shifting in a compact shifter size The new SHIMANO 105 shift/brake lever features Di2 electronic shifting for the first time, bringing precise, intuitive gear changes to even more riders.+$5.00 shipping
  • New. Offer #4 priced at $239.99 + $11.95 shipping estimate = $251.94* total. Creates a clean cockpit with wireless connection and enhances the aesthetic of your bike while keeping shifting lightning fast. The Shimano 105 Di2 Shift/Brake lever features Di2 electronic shifting for precise, intuitive gear changes to even more riders.+$11.95 shipping
  • New. Offer #5 priced at $379.99 + $28.40 shipping estimate = $408.39* total. +$28.40 shipping

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