Description

Product Description:

Upgrade Your Drivetrain. Climb Higher. Ride Smoother.
The XB Pro CNR11 Expander Sprocket is the ultimate upgrade for your 10-speed drivetrain—offering wide-range gearing for tougher climbs and smoother terrain transitions, without the cost of a full groupset change.

Key Features:

  • 2 Sizes Available: 40T and 42T

  • Material: AL7075 CNC-Machined Alloy

  • Weight: Approx. 73g (40T) / 79g (42T)

  • Color Options: Black / Red

  • Compatibility: Shimano & SRAM 10-speed MTB cassettes

Cassette Compatibility
• Shimano: XT (CS-M771), XTR (M980), HG201-9, HG300-9, HG400-9, HG50-10, M4100
• SRAM: X5 PG-1030, X7 PG-1050, X9 PG-1070 (11-36T)

Package Includes:

  • 1 x XB Pro 40T or 42T Sprocket

  • 1 x 16T Cog (to replace 15T & 17T)

  • 1 x Spacer for Shimano/SRAM configuration

  • Installation Instructions

Installation Notes:

  • Replace 15T & 17T with included 16T

  • Insert 40T/42T behind the main cassette

  • Use medium/long cage derailleur

  • May require longer chain and B-screw (M4 x 25)

  • Compatible with 1x MTB drivetrain setups

Pro Tip: Ensure correct chain length and check derailleur clearance when suspension compresses (for full-suspension bikes).

✅ Benefits:

  • Converts standard 10-speed cassette to wide-range 11-40T or 11-42T

  • Up to 90% of 1×11 performance at a fraction of the cost

  • Ideal for MTB, bikepacking, or single-ring conversions

  • Lightweight, durable, and affordable solution

Need help?
Contact us at services@s2hcycle.com or WhatsApp +6016-6661697

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