DESCRIPTION
Our premium 1X RaceFace Boost 148 direct mount compatible Oval chainrings are designed for CINCH system RaceFace uses to mount chainring directly to the crank.
This version is for BOOST 148 specific bikes and FAT BIKES (when reversed).
Chainline: 52mm. 3mm offset
Ovality: Optimised to each size separately. Range: 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead centre) Patent Pending
Size: (Mass +/-1g): 30T (58g), 32T (62g), 34T (69g)
Advantages of our special Oval chainrings:
- Finest design to provide excellent weight to strength ratio
- One of a kind special oval shape (Patent Pending)
- Unique Patent Pending narrow-wide teeth profiles to keep your chain in place for minimum 12 months!
- Special 3D teeth machining for ultimate mud relief decrease wear and noise dramatically
- Designed to handle mud and grass with easy
- Superb quality and great look.
- You will ride faster using ovals. If you keep using round ring then others will get quicker.
- Reduces stress on knees and helps to maintain your legs fresher for longer.
- You will not "feel" the oval shape at all.
Designed to use with the Shimano 12 speed CN-M9100, 8100 & 7100 Hyperglide+ chain ONLY due to different thickness of the teeth with RaceFace Cinch system cranks. RF Next SL, RF SIXC, RF Turbine, RF Atlas, AEFFECT CINCH cranks.
PLU: 69647
SIZE INFORMATION
SHIPPING & DELIVERY
Free Shipping
We offer free shipping on orders over $99 NZD*. Orders under this threshold incur a flat rate of $7.20**
*Excludes large or bulky items, which are charged between $25.00 and $100.00, depending on size, weight, and delivery location. Shipping is calculated at checkout.
**Rural delivery surcharge: An additional $6.00 is applied to rural addresses.
Click & Collect
Prefer to pick up your order? Select Click & Collect at checkout and collect from any Pushbikes store. Note: Some products are drop-shipped from our suppliers and may not be ready for immediate collection. We'll notify you when your order is ready.
Delivery Time Frames
In-Stock Items:
Orders for items in stock at our store are dispatched within 1–2 business days (weekdays) of payment. Orders placed after 3 pm will be processed the following business day. Please allow an additional 2 days for rural delivery.
From Supplier
Items shipped directly from our suppliers are usually dispatched within 2–4 business days. Some may take up to 8 business days, depending on the supplier. Estimated delivery times are shown on each product page. Rural deliveries may take an extra 2 days.
Tracking Information
You'll receive a tracking number by email as soon as your order has been dispatched. If you haven’t received tracking details within your expected delivery window, please contact us to confirm.
Shipping Bikes
- Giant, LIV, and Norco bikes are not eligible for shipping due to brand warranty and dealer policies. These must be collected in-store, fully assembled.
- Electric bikes cannot be shipped due to Dangerous Goods restrictions (lithium batteries). These are available for Click & Collect only.
- Other bikes can be shipped with the following rates:
- Kids bikes: $25.00
- Standard bikes: $75.00
Shipping rates are automatically calculated at checkout. If your bike falls outside this standard pricing (e.g., large-size mountain bikes or freight to remote areas), we may adjust the shipping cost. If you're unsure, feel free to contact us before ordering.
Processing of bikes can take up to 7 days if they are needing to be shipped from our suppliers.
Returns and Warranty
For information about returning a product or submitting a warranty claim, please see our Returns and Warranty Policy here.
Questions
If you're unsure about shipping rates or have any questions, get in touch with us with any questions.
REVIEWS & QUESTIONS
$139.49


$103.49