Shimano SM-CS50 Outer Stopper Assembly (Right & Left) – Y67B91000

Shimano SM-CS50 Outer Stopper Assembly (Right & Left) – Y67B91000

Condition: New

The Shimano SM-CS50 Outer Stopper Assembly (Part Number: Y67B91000) includes both right and left-side cable outer stoppers, designed for use in internal cable routing systems such as those found in Shimano’s Dual Control lever-compatible road and mountain bike setups. These stoppers act as cable housing guides and clamps, providing clean and secure cable transitions into frames or internally routed components like front and rear derailleurs or brake calipers. Made from lightweight yet durable materials, these stoppers help maintain consistent cable tension and prevent housing from slipping during shifting or braking.

Features
Model: SM-CS50
Shimano Part Number: Y67B91000
Type: Outer Cable Stopper Set (Left & Right)
Material: Reinforced plastic or composite resin (lightweight and durable)
Design Use: For internally routed derailleur or brake cable systems
Compatibility:
Works with Shimano internal routing systems (road/MTB frames)
Compatible with cable housings for shifters or brakes
Can be used with Shimano Di2 or mechanical setups (depending on frame design)
Installation Location: On frame cable entry/exit points or near control lever junctions

Applications
Ideal for use with:
Internal Cable Routing Frames – Maintains cable position at the entrance and exit points
Shimano STI / Dual Control Levers – Enables smooth transition between shifters and internal routing
Road and MTB Frames – Especially those requiring extra cable support near the head tube or BB junction
Mechanical or Di2 Conversions – Helps cleanly route cables and maintain frame aesthetics

Cross-Referenced / Compatible Parts
Shimano Y6VE98020 – Similar cable stop set for older mechanical road systems
Jagwire Cable Port Adapters – Alternative for frames with oversized internal routing holes
Shimano SM-CS51 – For use in different routing configurations or frame types
Y67B98100 – Replacement cable stopper for SM-EW67 junctions (Di2 specific)

Comparable Products
Jagwire Internal Housing Stops – Universal alternative for internally routed frames
TRP Internal Routing Grommet Kit – For brake and shift cable entry
FSA Internal Routing Stopper Kits – General purpose housing guides

Part of a Larger System
The SM-CS50 Stopper Assembly integrates with:
Shimano Mechanical Drivetrains – For accurate and secure cable entry to frame
Shimano Di2 Systems – In some hybrid applications (custom installs)
Full Internal Routing Frames – Especially carbon or hydroformed alloy bikes
Shifter and Brake Housing – To manage transition points and housing integrity

Related
Shimano cable routing hardware
Internal cable guide clamps
Y67B91000 outer housing stopper
Cable housing entrance stoppers
Shimano frame cable adapter pieces

Common Requests:
“Will SM-CS50 work with internal routing on my carbon frame?”
“Replacement Shimano cable housing stop set for road bike”
“What’s included in Shimano Y67B91000 kit?”
“Shimano SM-CS50 vs SM-CS51 – what’s the difference?”
“Best cable stopper for Shimano mechanical groupsets”

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