RISK RT123 Titanium Brake Lever Piston & Seal Kit for SRAM Guide R RSC Ultimate Level DB5 Hydraulic Disc Brakes
Available in short version, long version, and replacement seal kit options for different SRAM brake models.
Related
Descriptions
Upgrade or repair your SRAM hydraulic brake lever with the RISK RT123 Titanium Brake Lever Piston & Seal Kit. This precision-machined piston rod is made from TC4 titanium alloy, offering excellent strength, corrosion resistance and lightweight performance for mountain bike brake maintenance.
The RT123 series is designed for selected SRAM Guide, Level and DB5 hydraulic disc brake levers. Each piston rod option includes 1 titanium piston rod and 2 spare sealing rings, while the seal-only option includes 2 replacement seals for one piston rod.
The short piston version is compatible with Guide RSC and Guide Ultimate. The long piston version is compatible with DB5, Level, Level T, Level TL, Level TLM, Level ULT, Guide T, Guide R, Guide RE and Guide RS.
This kit is ideal for replacing worn brake lever pistons, restoring lever feel, improving sealing reliability and keeping your MTB hydraulic brake system performing smoothly.
Key Features
- TC4 titanium alloy construction
Lightweight, durable, corrosion-resistant and suitable for long-term brake maintenance. - Designed for SRAM hydraulic brake levers
Compatible with SRAM Guide, Level and DB5 series brake levers. - Available in short and long versions
Choose the correct piston length according to your brake lever model. - Includes spare sealing rings
Each piston rod comes with 2 replacement seals for convenient installation and maintenance. - Precision-machined design
Helps restore smooth lever operation and reliable oil sealing performance. - Lightweight repair part
Short piston approx. 4g, long piston approx. 5.5g, seal kit approx. 0.4g. - Ideal for MTB brake servicing
Suitable for mountain bikes, trail bikes, enduro bikes, e-bikes and workshop repair use.
Compatibility
Short Version / RT123-1
Compatible with:
- SRAM Guide RSC
- SRAM Guide Ultimate
Long Version / RT123-2
Compatible with:
- SRAM DB5
- SRAM Level
- SRAM Level T
- SRAM Level TL
- SRAM Level TLM
- SRAM Level ULT
- SRAM Guide T
- SRAM Guide R
- SRAM Guide RE
- SRAM Guide RS
Seal Kit / RT123-3
- 2 seals per set
- Fits 1 piston rod
- Suitable for RT123 short and long piston rods
Specifications
| Item | Details |
|---|---|
| Brand | RISK |
| Model | RT123 |
| Product Name | Titanium Brake Lever Piston & Seal Kit |
| Material | TC4 Titanium Alloy Piston Rod + Rubber Seals |
| Application | Hydraulic Disc Brake Lever Repair |
| Short Piston Size | Approx. 9.4 × 25.5mm |
| Long Piston Size | Approx. 9.4 × 36mm |
| Seal 1 Size | Approx. 10 × 3.5mm, inner diameter approx. 5mm |
| Seal 2 Size | Approx. 10 × 3.8mm, inner diameter approx. 3mm |
| Short Version Weight | Approx. 4g |
| Long Version Weight | Approx. 5.5g |
| Seal Kit Weight | Approx. 0.4g |
| Packaging | RISK Brand Bag |
| Package Size | Approx. 15 × 9 × 1cm |
Package Includes
RT123-1 Short Version
- 1 × Short Titanium Brake Lever Piston Rod
- 2 × Spare Sealing Rings
RT123-2 Long Version
- 1 × Long Titanium Brake Lever Piston Rod
- 2 × Spare Sealing Rings
RT123-3 Seal Kit
- 2 × Replacement Sealing Rings
Note: Brake levers, tools and other display items shown in the pictures are not included.
Notice
- Please confirm your brake lever model before purchase.
- Short and long piston versions fit different brake lever models.
- The piston rod option includes 1 piston rod and 2 spare sealing rings.
- The seal-only option includes 2 replacement sealing rings only.
- Brake levers, tools and other items shown in the pictures are for display only and are not included.
- Manual measurement may cause slight size or weight differences.
- Professional installation is recommended for hydraulic brake maintenance.
