1. Bicycle Rims For Sale
  2. sku: 16967503802817721
  3. SHIMANO SH807-J10

SHIMANO SH807-J10 Ultegra Left Crank Arm FC-R6800 175

Sh807-j10 Shimano Ultegra Fc-r6800 - 175 Mm Left Hand Crank Arm To Clear

( Brand: Shimano ), ( Manufacturer Part Number: SH807-J10 ), ( Part Type: Hand Crank ), ( Color: Clear ), ( Item Width: 175 Mm ), ( Compatible Bike Type: Universal, Hardtail Bike, Mountain Bike, Touring Bike ), ( Bottom Bracket Shell Type: Hollowtech ), ( Material: Aluminium, Carbon Fibre ), ( Set Includes: Lh Crank Arm ), ( Colour: Black )

Review SHIMANO Ultegra 175mm Left Hand Crank Arm To Clear

The **Shimano SH-807-J10 Ultegra FC-R6800 175mm Left Crank Arm** is a precision-engineered component designed for cyclists seeking a seamless blend of performance, durability, and ergonomic efficiency. Part of Shimano s high-end Ultegra FC-R6800 drivetrain series, this crank arm is crafted to deliver exceptional power transfer and smooth shifting, making it an ideal choice for road cyclists, triathletes, and competitive riders who demand reliability in every pedal stroke. The **175mm length** provides a balanced reach, optimizing pedal clearance for a wide range of frame geometries while ensuring a natural, efficient pedal stroke. Engineered from high-strength aluminum, the crank arm features a **lightweight yet rigid construction**, minimizing vibration and maximizing energy transfer from the rider to the drivetrain. The **J10 designation** indicates a left-side arm designed to pair seamlessly with its right-side counterpart (SH-807-J11), forming a complete crankset that integrates flawlessly with the FC-R6800 1x12-speed drivetrain, offering a compact yet versatile gear range for climbing and sprinting. Shimano s **Hollowtech II** spindle technology ensures a secure, vibration-dampening connection between the crank arms and bottom bracket, reducing fatigue and enhancing comfort over long rides. The **smooth, polished finish** not only contributes to an aesthetic appeal but also minimizes friction, allowing for effortless shifting and a quieter ride. Whether paired with a carbon or aluminum frame, this crank arm is built to withstand the demands of intense training sessions and competitive racing, providing the precision and responsiveness riders expect from Shimano s premium Ultegra lineup. Its compatibility with a wide range of pedals, including SPD-SL and standard flat pedals, further enhances its versatility, making it a standout choice for cyclists who prioritize performance without compromise.

**Pros and Cons of buying a Shimano SH-807-J10 Ultegra FC-R6800 175mm Left Crank Arm**

### **Pros**

1. **High Performance and Efficiency** The FC-R6800 crankset is part of Shimano s Ultegra lineup, which is known for delivering excellent power transfer and smooth pedaling. The lightweight design enhances efficiency, making it ideal for competitive or high-performance riding.

2. **Durability and Reliability** Shimano Ultegra components are built to last, with robust construction that can withstand intense use over time. The FC-R6800 series is particularly well-regarded for its durability in both road and gravel applications.

3. **Compatibility with Modern Systems** This crank arm is designed to work seamlessly with Shimano s Di2 electronic shifting system, offering precise and rapid gear changes. It also integrates well with other Ultegra components, making it a versatile choice for a full build-up.

4. **Lightweight Construction** The 175mm length is optimized for power transfer while maintaining a balance between efficiency and comfort. The use of high-grade aluminum ensures it remains lightweight without sacrificing strength.

5. **Widely Available and Supported** As a popular Ultegra model, replacement parts, servicing, and compatibility with other Shimano components are readily available. This reduces the risk of long-term compatibility issues.

6. **Aesthetic Appeal** The sleek, professional design of the Ultegra FC-R6800 crankset adds a premium look to any bike setup, appealing to riders who value both performance and aesthetics.

7. **Proven Track Record** Shimano s Ultegra line has been refined over many years, with the FC-R6000/6800 series being a reliable upgrade from mid-range groupsets. Many professional and amateur riders trust this series for its consistency.

---

### **Cons**

1. **Higher Cost Compared to Entry-Level Options** Ultegra cranksets are more expensive than Shimano s lower-tier groupsets (e.g., Tiagra or Sora). If budget is a concern, this may be a significant drawback, especially if purchasing as part of a full build.

2. **Overkill for Casual or Recreational Riders** If you primarily ride for leisure, commuting, or light training, the performance benefits of Ultegra may not justify the extra cost. A mid-range groupset (e.g., Tiagra) could offer sufficient performance at a lower price.

3. **Maintenance Requirements** While durable, Ultegra components still require regular maintenance (e.g., chain cleaning, bearing lubrication) to perform optimally. Neglecting maintenance can lead to premature wear, especially in harsh conditions.

4. **Limited Customization** Unlike some higher-end or custom cranksets, the FC-R6800 is a standard design with fixed specifications. If you seek unique lengths, materials, or features (e.g., carbon cranks), you may need to look elsewhere.

5. **Potential for Overuse in Training** For riders who train heavily, the Ultegra FC-R6800 may wear out faster than entry-level cranks, particularly if paired with a heavy chain or aggressive riding style. This could lead to higher long-term costs if replacements are needed frequently.

6. **Weight Sensitivity in Some Cases** While lightweight, the Ultegra FC-R6800 is not as ultra-light as some carbon or high-end cranksets (e.g., Dura-Ace or some custom builds). For ultra-competitive racing or time-trial setups, every gram counts, and you might prefer even lighter options.

7. **Dependence on Shimano Ecosystem** If you mix Shimano components with non-Shimano parts (e.g., SRAM derailleurs, Campagnolo bottom brackets), compatibility may not be perfect. This crankset is optimized for a fully Shimano setup.

---

### **Conclusion**

The **Shimano SH-807-J10 Ultegra FC-R6800 175mm left crank arm** is an excellent choice for riders who demand high performance, reliability, and a premium riding experience. It strikes a balance between efficiency, durability, and compatibility, making it suitable for serious cyclists, racers, and those building a high-end road or gravel bike. However, it is not necessary for casual riders or those on a tight budget, as lower-tier options could suffice without sacrificing too much performance.

If you prioritize power transfer, smooth shifting, and long-term durability while being willing to invest in a quality groupset, this crank arm is a strong recommendation. For riders who primarily use their bike for fitness, commuting, or light training, the cost may not be justified, and a more affordable alternative (e.g., Tiagra or 105) could be a better fit.

### **Recommendation**

- **Buy it if:** You are building a high-performance road or gravel bike, use your bike for racing or serious training, or value Shimano s reliability and ecosystem. It pairs well with other Ultegra components and offers a significant upgrade over mid-range groupsets.

- **Avoid it if:** You are a casual rider, on a limited budget, or do not need the performance benefits of Ultegra. In such cases, consider a Tiagra or 105 crankset for better value.

- **Consider alternatives if:** You want lighter weight (e.g., Dura-Ace), carbon construction, or customization options. For most riders, however, the FC-R6800 is an outstanding choice that delivers exceptional value for its class.

Details:

The Shimano Ultegra FC-R6800 175mm Left Hand Crank Arm in Clear model: SH807-J10 is a high-quality and durable bicycle component designed for universal use on hardtail, mountain, touring bikes. The set includes one left-hand crank arm with a hollowtech bottom bracket shell type, ensuring optimal power transmission and efficiency. Made of aluminium and carbon fibre, this crank arm is lightweight strong, providing excellent performance for your cycling adventures.

part #: sh807j10 prices

  • $20.82-$110.00

specifications ribicycl:

  • brand: Shimano
  • mpn: Sh807-j10
  • part type: Hand Crank
  • color: Clear
  • item width: 175 Mm
  • compatible bike type: Universal, Hardtail Bike, Mountain Bike, Touring Bike
  • bottom bracket shell type: Hollowtech
  • material: Aluminium, Carbon Fibre
  • set includes: Lh Crank Arm
  • colour: Black

offer ribicycl:

  • sold: 0
  • availability: In Stock
  • started: March 4, 2026
  • quantity: 1
  • options: Ship-to-home
  • best offers: True

returns ribicycl:

  • policy: No Returns

seller ribicycl:

  • city: Starkville, Mississippi
  • # reviews: 281
  • rating: 97.2%

payments ribicycl:

  • credit card: Mastercard
  • other
  • wallet: Apple-pay

general ribicycl:

  • Cycling > Bicycle Components Parts > Cranksets
  • condition: Used

shipping ribicycl:

  • cost: $8.10
  • transit: 7-10 Days
  • service: USPS Ground Advantage
  • class: Standard
  • type: Calculated
  • carrier: USPS
part type: hand crank, item width: 175 mm, compatible bike type: universal, hardtail bike, mountain bike, touring bike, bottom bracket shell type: hollowtech, set includes: lh crank arm,
category: sporting goods > cycling > bicycle components parts > cranksets, color: clear, material: aluminium, carbon fibre, sku: 16967503802817721,
Shimano SH807-J10 Is Similar To:
ribicycl logo
4 offers $20.82–$110.00 USD
  • New. Offer #1 priced at $57.80 + $27.29 shipping estimate = $85.09* total. +$27.29 shipping
  • New. Offer #2 priced at $110.00 + $9.95 shipping estimate = $119.95* total. Taken off a new bike. Shimano Ultegra FC-6800 Cyclocross Road Bike Chain Ring Set 46/36T.+$9.95 shipping
  • Neu. Offer #3 priced at $20.82 + $6.98 shipping estimate = $27.80* total. Geeignet f r: und Dura Ace FC-R9000. Shimano Kettenblatt f r Ultegra 11 speed Kurbelgarnitur.+$6.98 shipping
  • Used. Offer #4 priced at $120.00 + $11.67 shipping estimate = $131.67* total. This are in great condition chain rings look awesome the left crank arm is an Ultegra 6800 %compatible in clean conditions no bad scratches or marks chain rings are straight.+$11.67 shipping

Copyright © ribicycl.com