Name: AbsoluteBlack Oval 1X BCD130x5 公路齒片 (Brompton適用)
Brand: ABSOLUTEBLACK
SKU: 63c4f5de21342c7c9945d53d
Price: 765.0 HKD
Availability: InStock

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AbsoluteBlack Oval 1X BCD130x5 公路齒片 (Brompton適用)

全店，(限香港) 購買滿HK$300, 即享免運費優惠

指定分類，(*香港以外) 購買滿USD$300, 即享免運費優惠

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商品描述

absoluteBLACK Premium 1X 130/5 bcd ovalchainrings designed specifically for original Brompton cranks. Perfect choicefor 1X narrow wide folding bike setup. Delivered with mounting bolts for yourconvenience. Oval chainring helps to pedal smoother, get less tired and reduceknee pain.

Specifications:

Size (Mass +/-1g): 50T (89g) comeswith 4 AL bolts (weight given for chainring only)

Color: Black

Compatibility: Brompton 130/5cranks specifically.

Material: cnc machined 7075 Txxx Aluminum. Long-lastingconstruction

Finish: type II anodizing

Ovality: 10.5% ; Timing of112° after TDC (top dead center) - Patent Pending

Advantagesof our special Brompton 1X Oval chainrings:

*Finestdesign to provide excellent weight to strength ratio

*One ofa kind special oval shape (Patent Pending)

*UniquePatent Pending narrow-wide teeth profiles to keep your chain in place forminimum 12 months!

*Superbquality and great look.

*Youwill ride faster using ovals.

*Reducesstress on knees and helps to maintain your legs fresher for longer

*Youwill not "feel" the oval shape at all

How tomount Brompton 1X 130/5 Oval chainring:

Firstyou need to remove crank from the bike. Once removed, unscrew 5 bolts that holdoriginal chainring. Position absoluteBLACK oval chainring from behind the crankin the way that 4 protrusions on the chainring holes fit directly into thecrank tabs. Please note one hole is bigger than the others - this one needs tosit directly behind the crank arm and original bolt should be used to secureit. Use 4 provided AB bolts to lock the chainring in place using T-30 torx keywith force of about 5-7Nm. Mount your crank back to the bike. Done

Alwaysuse a new chain with a new chainring.

Designedin UK. Manufactured in Poland (EU).

TheWorld's finest oval (elliptical) road chainring. Non circular chainrings,Non-round chainrings. Asymmetrical chainrings.

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