SRAM Centerline
Centerline
SRAM

SRAM Centerline

In Stock

SRAM Centerline 203mm steel rotor delivers quiet braking and reliable stopping power. CenterLine technology replaces HS1 rotors, fits ISO 6B hubs and accepts metal or resin pads.

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Available Options

Option Price Availability
SRAM, Centerline, Rotor, 203mm — In Stock
SRAM, Centerline, 220mm, ISO 6B — In Stock

Product Details

Overview & CenterLine Technology

The SRAM Centerline rotor brings refined braking performance to trail, enduro and all-mountain bikes. Constructed from stamped and heat-treated steel, the CenterLine design focuses on noise reduction and consistent pad contact to deliver smooth, predictable braking from the first ride. CenterLine technology uses a profiled braking track and optimized venting to center the pad against the rotor under load, reducing pad taper and rotor walk. The result is quieter operation, improved modulation and an easier pad bed-in compared with older HS1 rotors.

Key Features & Construction

Materials & build: The rotor is formed from high-quality steel and finished to precise tolerances. Heat treatment and profiling improve wear resistance, while the CenterLine braking track promotes even pad wear and quieter engagement. • Quiet running CenterLine track reduces squeal and vibration. • Compatible with both metal and resin pads for flexible setup. • Includes mounting hardware for easy swap-over—no extras required.

Fit, Compatibility & Specs

The listed variant is the 203mm diameter rotor with ISO 6B centerlock compatibility (SRAM Model ID: RT-CLN-A2). A 220mm variant is also available for riders who need extra heat capacity and leverage. This rotor accepts standard centerlock hubs and will replace HS1-style rotors directly. Tech specs at a glance: 203mm disc diameter, steel construction, fits ISO 6B centerlock, works with metal or resin pads, hardware included. Shipping size is compact (9" x 9" x 0.3") and lightweight at ~0.55 lb—easy to carry as a spare.

Who This Rotor Is For

The SRAM Centerline is ideal for mountain riders who want a dependable, quiet rotor for trail, cross-country and light enduro use. If you value modulation, low noise and long pad life without the complexity of multi-piece rotors, Centerline is a great upgrade or replacement option. This rotor suits riders running standard centerlock hubs and those switching from HS1 rotors; it’s also a sensible spare for bikepacks and race kits thanks to its low weight and included mounting hardware.

Key Features

  • ✓ CenterLine profiled braking track for quieter, smoother stops
  • ✓ 203mm steel rotor—available also in 220mm for extra leverage
  • ✓ Direct replacement for HS1 rotors with SRAM Model ID RT-CLN-A2
  • ✓ ISO 6B centerlock hub compatibility for easy installation
  • ✓ Accepts both metal and resin brake pads for setup flexibility
  • ✓ Precision heat-treated steel resists warping and improves longevity
  • ✓ Includes mounting hardware—ready to fit out of the box

Specifications

Disc Pad Type Metal or Resin
Disc Diameter 203mm
Disc Material Steel
Disc Technology Centerline
Hub Compatibility ISO 6B
Hardware Yes

Product Identifiers

Vendor Item # 00.5018.037.011
UPC 710845778001

Frequently Asked Questions

Will this rotor fit my bike?

If your hub uses centerlock (ISO 6B) mounting this rotor will fit. Confirm the rotor diameter (203mm or 220mm) matches your frame/fork clearance and brake caliper reach.

Can I use resin pads with the Centerline rotor?

Yes. The Centerline rotor is compatible with both resin (organic) and metal (sintered) pads. Choose pad compound based on your riding style—resin for quieter, more initial bite; metal for higher heat tolerance and durability.

Does the rotor come with mounting hardware?

Yes, this SRAM Centerline rotor includes the required centerlock hardware so you can install it right away without buying extra bolts or adapters.

How do I bed in a new Centerline rotor?

Perform a progressive bed-in: several controlled decelerations from moderate speed into a stop (about 10–15 stops), avoiding prolonged, hard grabs. This helps transfer a thin, even layer of pad material and reduces noise and uneven wear.

Is the 220mm rotor better than 203mm for downhill?

A 220mm rotor offers more braking leverage and improved heat dissipation, which can help on long, steep descents. However, it adds weight and may require caliper/fork/frame clearance checks—203mm is sufficient for most trail and XC riding.

My old rotor was an HS1—can I swap directly to the Centerline?

Yes, the Centerline is marketed as a direct replacement for HS1 rotors. Verify hub compatibility (centerlock) and rotor diameter, then swap using the included hardware.

Buying Guide

When buying a replacement rotor, match the rotor diameter to your current setup and intended riding. Larger rotors increase braking power and heat capacity but require frame/fork clearance and may need caliper repositioning. Centerlock (ISO 6B) rotors like the SRAM Centerline are simple to install and commonly found on modern mountain bikes. Consider pad compatibility and riding style: resin pads yield quieter operation and better initial modulation for trail use, while sintered pads resist fade on sustained descents. Always replace rotors in pairs or check rear/front wear to maintain balanced braking feel.

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