Skip to main content
Toggle navigation
Find Us
Store
My Account
My Account
Cart
Cart
Cart
Mobile Cart Link
Subtotal
:
$
0.00
Checkout
Cart
Search
Search
Menu
x
Cart
Cart
Account
Account
Store
Store
Shop
Bikes
Bikes
Road
Mountain
Cyclocross
Commuter/Urban
Comfort
Cruiser
Fitness
Hybrid
Children's
BMX
Pre-Owned
Electric
Electric
Bikes
Car Racks
Car Racks
Hitch-Mount
Pickup/RV/Spare-Tire Mount
Roof-Mount
Trunk-Mount
Parts & Accessories
Gift Cards
Gift Cards
Parts
Parts
Bar Ends
BMX
Bottom Brackets
Brakes/Levers/Pads
Cables
Cassettes/Freewheels
Chainrings
Chains
Cranksets
Derailleurs
Forks
Groups
Handlebar Grips/Tape
Handlebars
Headsets
Pedals
Saddles
Seatposts
Shift/Brake Combinations
Shifters
Shocks
Stems
Tires/Tubes
Wheels
Other
Accessories
Accessories
BMX Gear
Body Care
Child Seats
Children's-Bike Accessories
Electric/Gas Motor Kits
Electronics
Eyewear
Fenders
Hydration
Indoor Cycling
Lights
Locks/Security
Media/Resources
Nutrition
Packs/Racks/Baskets
Pumps
Safety
Storage
Tools/Maintenance
Trailers/Strollers
Travel Cases
Other
Clothing
Clothing
Accessories
Gloves
Jerseys/Tops (Short Sleeve)
Jerseys/Tops (Long Sleeve)
Outerwear
Protective/Armor
Running
Shirts/Tops (Casual)
Shorts/Bottoms
Shorts/Bottoms (Casual)
Skinsuits
Socks
Triathlon
Undergarments
Helmets
Helmets
Adults
Kids
Parts & Accessories
Shoes
Shoes
Cycling Shoes
Casual Shoes
Parts & Accessories
Singletrack Cycles Gear
Closeouts
Services
Bike Repair & Service Center
Bike Rentals & Demos
Bike Trade-Ins
Find Your Bike Size
Kids' Bike Buying Guide
Trek Travel
Financing
Rides
Singletrack Cycles Ride Calendar
Where To Ride - MTB
Local Cycling Teams & Community Resources
About
Our Story
Why We Ride
Email Signup
Contact Us
Join Our Team
Contact Us
Filter
Close
Close
Remove all filters
Remove
Black Ops
Filter By:
Remove
Black Ops
Brands
Black Ops
1
Shimano
40
SRAM
26
Campagnolo
9
Microshift
9
Dimension
6
Show More Brands
absoluteBLACK
1
Atomlab
1
BOX
3
DMR
1
e*thirteen
3
FSA
1
Gates Carbon Drive
6
Gusset
5
HALO
3
Odyssey
1
Problem Solvers
3
S-Ride
2
Soma
1
Sturmey-Archer
2
Sunlite
6
SunRace
6
Surly
2
Wolf Tooth
2
Show Fewer Brands
Gender
Unisex
1
Size
13T
1
14T
1
16T
1
17T
1
18T
1
20T
1
Price
$20 to $49.99
1
Model Year
2020
1
Home
Bicycling
Parts
Cassettes/Freewheels
Cassettes/Freewheels
Remove
Black Ops
Black Ops
DefendR 8-Key Freewheel
- 2020
$31.99 - $37.99
- Cold-forged chromoly construction - 8 splines for removal - Oversize 3-pawl design - Heavy-duty use freewheel - 13T and 14T fit Flip-Flop hubs only - Speeds: Single - Width: 3/32"
Page 1 of 1