SIN­GLE RING CRANKS

Cycling Plus - - GEAR GUIDE -

SRAM Force 1 £224

Force 1 sits above Ri­val 1 and Apex 1 in the SRAM sin­gle-ring groupset hi­er­ar­chy. The 598g chain­set matches stiff car­bon arms to ei­ther 24mm (GXP) or 30mm axles. The smooth run­ning, su­per-se­cure, X-Sync nar­row-wide chain­rings are avail­able in 38 to 54t sizes and sit on a forged five-arm spi­der.

Praxis Alba £149.99

Praxis has a big range of sin­gle-ring chain­sets in the pipe­line in­clud­ing car­bon-armed Zayante and di­rect-mount op­tions. Now, the Alba forged al­loy crank, weigh­ing 704g, retro-fit­ted with one of Praxis’ ex­cel­lent 40 or 42t, ‘Wave tooth’ cy­clo-cross chain­rings has proved to be great for mono ring fans.

Eas­ton EC90 SL £389.99

Based on the light but stiff and bombproof Race Face Next SL moun­tain bike cranks, this hol­low car­bon-armed, di­rect-mount ring de­sign weighs just 445g. Cinch bot­tom bracket op­tions mean the 30mm al­loy axle fits all bot­tom bracket shells and the chain­line is op­ti­mised for 135/142mm rear axle disc bikes.

Ro­tor 3D+ CX1 £406.35

The hol­low-bored arms and universal fit 30mm UBB al­loy axle and UBB bot­tom bracket sys­tem make the 3D+ a car­bon weight com­peti­tor. The spread of 38-54t CX1 chain­ring op­tions in­clude ovalised QX1 rings, which can be ad­justed in ori­en­ta­tion to mod­ify their smooth­ing ef­fect on your ped­alling.

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