Shimano 105 R7101 Cassette
Best wide-range cassette for road cyclists tackling varied, hilly terrain.
This cassette turns grueling climbs into manageable efforts without sacrificing your top-end speed on the flats. It prioritizes wide-range versatility and seamless shifting, though you trade the tight gear spacing preferred by pure racers for the sheer utility of a bail-out gear.
$79.99
at
Mike's Bikes
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Who it's for
- Aggressive riders needing reliable gear changes under high power
- Climbers tackling steep terrain and long, challenging mountain passes
- Budget-conscious cyclists seeking long-term reliability and high-end performance
Who should skip it
- Weight-obsessed racers looking to shave every possible gram
- Performance cyclists requiring tight gear steps for consistent cadence
- Cyclists upgrading from older 11-speed drivetrain systems
Performance breakdown
Shifting Precision
Hyperglide+ technology ensures crisp, near-instant gear changes under load.
Climbing Versatility
The 34t cog provides a vital bailout gear for steep gradients.
Durability
Hardened steel construction withstands high-torque efforts over thousands of miles.
Weight Efficiency
Solid performance, though slightly heavier than top-tier Dura-Ace alternatives.
Drivetrain Integration
Engineered specifically for seamless synergy with the 12-speed 105 ecosystem.
Power Transfer
Rigid carrier design minimizes flex during aggressive out-of-the-saddle sprints.
Key Specs
Number of Speeds
12
Range
11-34T
Smallest Cog
11 teeth
Largest Cog
34 teeth
Series
105 R7100
Drivetrain Component Type
Cassette
Hub Compatibility
Shimano HG
Shifting Technology
Shimano Hyperglide
Intended Use
Road Cycling
Removable Cogs
No
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