New
Arrivals/Restock
Freewheel Ultralight MTB Bike 11 Speed 11-46T 50T 52T Cassette Spocket 11S Black Rainbow Wide Ratio CNC Mountain Bicycle K7 Freewheel Bicycle Accessories(11S 50T Rainbow)
4.8 (127 items)
Limited Time SaleUntil the end
09
41
04
$184.57 cheaper than the new price!!
Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Free cash-on-delivery fees for purchases over $99
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New $307.62
Product details
| Management number | 214545654 | Release Date | 2026/04/12 | List Price | $123.05 | Model Number | 214545654 | ||
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- 1. Versatile Terrain Handling
- Derailleurs allow quick adjustment of gear ratios to tackle diverse terrains:
- Climbing: Low gear ratios (small sprocket + large chainring) reduce pedaling force for steep hills.
- Descending/Flat Roads: High gear ratios (large sprocket + small chainring) maximize speed using momentum.
- 2. Reduced Fatigue
- By shifting gears instead of forcing a fixed ratio, derailleurs distribute effort across different muscle groups, minimizing lactic acid buildup and extending endurance.
- 3. Joint Protection
- Proper gear selection optimizes pedaling posture:
- Low gears reduce knee strain during climbs by minimizing deep knee bends.
- High gears ease lower back pressure during fast cruising.
Cassettes & Freewheels
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