# Helmet Fit Dial GIRO Manifest RL TRL Air Fit System replacement knob, black, size L (59–63 cm)

**URL:** https://aio.lv/en/product--giro-gr-7133602--11850191
**Data updated:** 2026-03-09 17:25 (EET)
**Category:** Protective Helmets
**Manufacturer:** GIRO
**Manufacturer code:** GR-7133602
**EAN:** 768686411199
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 23.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--giro-gr-7133602--11850191

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Replacement fit dial for GIRO Manifest helmets compatible with the RL TRL Air Fit System. This black adjustment knob is sized for large helmets (59–63 cm) and provides precise micro-adjustment of helmet fit via the integrated retention system. Intended for replacing a worn or damaged dial to restore secure, customizable fit and stability for urban, commuting, or recreational cycling.

## Long description

Replacement fit dial compatible with GIRO Manifest helmets that use the RL TRL Air Fit System. This black adjustment knob is designed for large helmet sizes (59–63 cm) and provides precise micro-adjustment of the integrated retention system. It restores the helmet's intended fit and stability after the original dial is lost or damaged, maintaining a secure and customizable hold suitable for urban, commuting and recreational cycling.
Advantages
The replacement knob offers smooth, incremental adjustment for a tailored fit and consistent tension across the retention band. Its compact design integrates with the existing RL TRL Air Fit System, allowing easy attachment without modifying the helmet shell or straps. Made to match the original fit mechanism, it helps extend the usable life of the helmet and regain original fit performance quickly.
Suitable for
Replacing a worn or broken fit dial on GIRO Manifest helmets
Restoring fit and retention for large helmets (59–63 cm)
Urban and commuter cycling where quick fit adjustments are needed
Recreational cyclists who require a secure, customizable fit
Key specifications
Compatibility: RL TRL Air Fit System on GIRO Manifest helmets
Color: black
Size fit range: intended for large helmet sizes (59–63 cm)
Function: micro-adjustable retention dial for precise tensioning
Form factor: compact knob designed to mount to existing retention cradle
How to use
Install the replacement knob by aligning it with the retention cradle of the RL TRL Air Fit System and securing it according to the helmet manufacturer's mounting method. Once attached, rotate the dial clockwise or counterclockwise to increase or decrease tension until the helmet sits snugly and comfortably on the head. Verify that the retention band sits level around the back of the head and that straps are adjusted to keep the helmet stable during movement.
Usage recommendations
Check the dial and retention system for secure attachment before each ride. Replace the dial if you notice excessive play, cracking or failure to hold tension. Use only compatible replacement parts designed for the RL TRL Air Fit System to ensure correct function and safety.

## FAQ

### How much does the GIRO Manifest RL TRL Air Fit adjustment dial, size L cost, and is it available for purchase?

The price is 27.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All GIRO products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized GIRO service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11850191/67248813_large.webp