

B1208-UDHSPK-01
Bonnell UDH Rear Tensioner & Mount Breakdown
UDH Mounting Standard: Instead of using proprietary frame dropouts or clamp-on adapters, it bolts straight into standard SRAM UDH-compatible rear dropouts. This allows full-suspension bikes running a single rear sprocket to fit a ultra-clean, heavy-duty tensioner without makeshift bracket hacks.
Single-Speed Chain Management: Single-speed setups on full-suspension frames suffer from chain growth as the rear shock compresses. The tensioner’s heavy-duty spring-loaded cage takes up slack continuously to prevent chain derailment.
Sprocket Compatibility: Built for single-speed setups running 22T to 28T rear sprockets.
Construction: CNC-machined aluminum body with sealed cartridge bearings for durability under high motor/pedal torque loads.
Shipping of motorcycle units is only allowed for specific cases. Please contact our sales team to check eligibility and payment process.
New and unused items within the first 10 days of delivery can be exchanged or refunded. Items must be returned with all manufacturer’s packaging and placed inside an external shipping box.
Important: Anything sent back to us without an external shipping box is breaking our refund/exchange policy and will be sent back to sender without a refund.
Any merchandise which has been “taken out for a ride” is considered used and cannot be returned. We encourage you to walk on your carpet if trying boots, or to wear your helmet indoors before heading out on the bike.
Any part which has been installed or shows signs of attempting to be installed on a vehicle is non-returnable.
The cost for return shipping is a flat $25 + tax and will be deducted when we issue your refund.
If you’d like to make an exchange, you will need to place a second order for the new item.
Certain conditions and exceptions can be applied to our return policy. If you're unsure if your product qualifies, give us a call. There are certain items that we cannot accept as returns. These include:
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