Pistone in Acciaio e Guarnizioni Pinza Freno - Triumph T2020050 T2020542

Triumph Front Brake Caliper Rebuild Kit with TRK Stainless Steel Pistons

If you're rebuilding the front brake caliper on your Triumph, replacing the original plated pistons with a TRK stainless steel piston and seal kit is a permanent upgrade. Over time, OE pistons can corrode and pit through exposure to moisture, road salt and general wear, causing sticking calipers, brake drag, uneven pad wear and poor braking performance. TRK stainless steel pistons are precision manufactured as direct replacements for Triumph OE part numbers T2020050 and T2020542, restoring smooth caliper operation while offering vastly improved corrosion resistance. Unlike original plated pistons, TRK stainless steel pistons are designed to resist future corrosion, making them the ideal long-term solution for Triumph brake caliper refurbishment.

Whether you're carrying out routine maintenance or restoring an older motorcycle, this complete piston and seal kit offers exceptional value, typically costing around a quarter of genuine Triumph replacement parts. Every TRK stainless steel brake piston is backed by a lifetime guarantee, giving you complete confidence in its durability. For the best results, thoroughly clean the caliper seal grooves before fitting the new seals, removing all traces of corrosion, dirt and road salt to ensure smooth piston movement and reliable braking performance for years to come.

Popular Triumph motorcycle fitment

This TRK front brake caliper rebuild kit fits a wide range of Triumph motorcycles, including:

• Triumph Tiger 955i (2000–2006)
• Triumph Tiger 1050 (2006–2013)
• Triumph Trident 900 T338 (1991–1998)
• Triumph Thunderbird 900 T339 (1995–1998)
• Triumph Sprint ST 1050 (2005–2012)
• Triumph Legend 900 T396 (1998–2001)
• Triumph Thunderbird Sport T398 (1998–2004)
• Triumph Scrambler EFI (2008–2016)
• Triumph Speed Triple 955i T509 (1998–2004)
• Triumph Thruxton 865 (2004–2007)

Why choose a TRK front brake caliper piston kit

• Complete stainless steel piston and seal kit for Triumph front brake calipers
• Equivalent to Triumph OE part numbers T2020050 and T2020542
• Precision-engineered direct replacement components
• Permanent upgrade over original plated pistons
• Superior resistance to corrosion, pitting and brake seizure
• Lifetime guarantee on all TRK stainless steel brake pistons
• Excellent value compared with genuine Triumph replacement parts

Benefits of rebuilding your front brake caliper

• Restores smooth, consistent braking performance
• Helps prevent sticking pistons and brake drag
• Promotes even brake pad wear
• Improves braking feel and rider confidence
• Extends the service life of your brake caliper

Helpful rebuild hints

• Clean seal grooves thoroughly before fitting new seals
• Remove all corrosion and road debris from the caliper body
• Inspect caliper bores for wear or damage
• Lubricate seals using fresh brake fluid or red rubber grease during assembly
• Check piston movement before reinstalling the caliper

Installation notes

• Completely strip and inspect the caliper before rebuilding
• Replace all worn seals and damaged components
• Bleed the braking system thoroughly after reassembly
• Carry out a careful brake function test before riding